1996 FIAT PUNTO Valve

2D»1
Chapter 2 Part D:
Engine removal and overhaul procedures
Contents
Crankshaft - refitting and main bearing running clearance check... 12 Engine overhaul • dismantling sequence 5 Crankshaft • removal and inspection 8 Engine overhaul • general Information .. Cylinder block/crankcase - cleaning and Inspection 9 Engine overhaul - reassembly sequence Cylinder head - dismantling, cleaning inspection and reassembly .. 6 General Information Engine and transmission - removal, separation, connection and refitting 4 Engine and transmission removal • methods and precautions 3 Engine * Initial start-up after overhaul and reassembly 13
Degrees of difficulty
Engine overhaul - general Information 2 11 1 Main and big-end bearings - Inspection and selection 10 Pistons and connecting rods - removal, inspection, refitting and big-end bearing running clearance check 7
Easy, suftable for FaHy easy, suitable ^ FaMy difficult, ^ Difficult, suitable for % Very difficult, ^ novice with littla | for beginner with suitable for competent ^ experienced DIY suitable for expert DIY « experience | some experience ^ HYmechanic mechanic or professional ^
Specifications
Engine codes See Chapter 2A. 2B or ZC.
Cylinder head Camshaft bearing diameters:* Petrol engines: No
1
bearing 24.045 to 24.070 mm No 2 bearing 23.S45 to 23.570 mm No 3 bearing 24.025 to 24.070 mm Diesel engine: No
1
bearing (In right-hand side mount) 29.990to30.015mm No 2 bearing 25.545 to 25.570 mm No 3 bearing 24.045 to 24.070 mm No 4 bearing (in left-hand side mount) 23.990 to 24.015 mm Valve seat angle 45° ±5' Cam follower (tappet) running clearance In head' 0.005 to 0.050 mm Difference between swirl chamber and cylinder head surface (diesel engine only) -0.765 to 0.055 mm '
Refer
to Chapter 2B for camshaft and cam follower specifications on 1242 cc
(16-velve)
petrol engines. Valves Valve stem diameter (Inlet and exhaust): Petrol engines: 1108 cc and 1242 cc (8-valve) engines 6.982 to 7.000 mm 1242
CC
(16-valve) engine 5.974 to 5.992 mm Diesel engine 7.974 to 7.992 mm Valve face angle 45° 30'±5' Valve stem-to-guide clearance: Petrol engines: 1108 cc and 1242 cc(B-valve) engines 0.022 to 0.05B mm 1242 cc (16-valve) engine 0.030 to 0.066 mm Diesel engine 0.030 to 0.066 mm Cam follower (tappet) sJiim sizes 3.20 to 4.70 mm In Increments of 0.05 mm Camshaft Camshaft bearing Journal diameters:' Petrol engines Diesel engine No
1
bearing 24.000 to 24.015 mm 29.945 to 29.960 mm No 2 bearing 23.500 to 23.515 mm 25.500 to 25.515 mm No 3 bearing 24.000 to 24.015 mm 24.000 to 24.015 mm No 4 bearing N/A 23.945 to 23.960 mm Camshaft bearing running clearance* 0.030 to 0.070 mm Camshaft endfloat* 0.070 to 0.250 mm 'Refer to Chapter 2B for camshaft specifications on 1242 cc
(16-valve)
enginss.
20

2D*10 Engine removal and overhaul procedures
Cylinder block Bore diameter: Petrol engines: 1106 cc engine 70.000 to 70.030 mm 1242 cc engine 70.800 to 70.630 mm Diesel engine 82.600 to 82.650 mm Underslzes * Increments of 0.010 mm
Pistons and piston rings Piston diameter: Petrol engines: Grade A; 1108 cc engine 69.960 to 69.970 mm 1242 cc engine 70.760 to 70.770 mm Grade 8: 1108 cc engine 69.970 to 69.980 mm 1242 cc engine 70.770 to 70.780 mm Grade C; 1108 cc engine 69.980 to 69;990 mm 1242 cc engine 70.780 to 70.790 mm Diesel engine: Grade A 82.530 to 82.640 mm GradeB GradeC , 82.550 to 62.560 mm Grade E ; 82.570 to 82.580 mm Piston projection above top of bore: Diesel engine 0.637 to 1.162 mm Piston to bore clearance: Petrol engines 0.030 to 0.050 mm Diesel engine 0.060 to 0.080 mm Maximum difference in weight between pistons x 5g Gudgeon pin diameter 17.970 fo 17.974 mm Gudgeon pin-to-plston clearance: Petrol engines 0.008 to 0.016 mm Diesel engine 0.003 to 0.009 mm Piston ring-to-groove clearance: Petrol engines: Top compression ring: 1108 cc engine 0.040 to 0.075 mm 1242 cc (8-valve) engine 0,040 lo 0,080 mm 1242 cc (16-valve) engine 0 to 0.06 mm 2nd compression ring: 1108 cc and 1242 cc (8-valve) engines 0.020 to 0.055 mm 1242 cc
(1
B-valve) engine 0 to 0.055 mm Oil scraper ring: 1108 cc and 1242 cc (8-valve) engines 0.020 to 0.055 mm 1242 cc (16-valve) engine 0 to 0.055 mm Diesel engine: Top compression ring 0.080 to 0.130 mm 2nd compression ring 0.020 to 0.052 mm Oil scraper ring 0.030 to 0.065 mm Piston ring end gap: Petrol engines: Top compression ring: 1108 cc engine 0.25 to 0.45 mm 1242ccengine : 0.20to0.40mm 2nd compression ring 0.25 to 0.45 mm Oil scraper ring 0.20 to 0.45 mm Diesel engine: Top compression ring 0.020 to 0.350 mm 2nd compression ring 0.300 to 0.500 mm Oil scraper ring 0.250 lo 0.500 mm
Connecting rods Gudgeon pin-to-small end clearance: Petrol engines Interference fit Diesel engine 0.014 to 0.020 mm

2D*10 Engine removal and overhaul procedures
Crankshaft Main bearing journal diameters: Petrol engines: 1108 cc engine: Grade
1
43.994 to 44.000 mm Grade 2 43.988 to 43.994 mm Grade 3 43.982 to 43.988 mm 1242 cc engine: Grade
1
47.994 to 48.000 mm Grade 2 47.988 to 47.994 mm Grade 3 47.982 to 47.988 mm Diesel engine: Grade 1 52.995 to 53.004 mm Grade 2 52.986 to 52.995 mm Crankpin Journal diameters: Petrol engines: 1108 cc engine: Grade A 38.001 to 38.008 mm Grade 8 37.995 to 38.001 mm Grade C 37.988 to 37.995 mm 1242 cc (8-valve) engine: Grade A 42.001 to 42.008 mm Grade 8 41.995 to 42.001 mm Grade C 41.988 to 41.995 mm 1242 cc <16-valve) engine: Grade A 41.990 to 42.008 mm Diesel engine: Grade A 50.796 to 50.805 mm Grade B 50.787 to 50.796 mm Main bearing running clearance: Petrol engines: 1108 cc and 1242 cc (8-valve) engines 0.025 to 0.049 mm 1242 cc (16-valve) engine 0.025 to 0.040 mm Dlese! engine 0.027 to 0.066 mm Big-end bearing running clearance: Petrol engines: 1108 cc and 1242 cc (8-valve) engines 0.024 to 0.062 mm 1242 cc (16-vaJve) engine 0.024 to 0.060 mm Diesel engine 0.026 to 0.063 mm Crankshaft endtloat: Petrol engines 0.055 to 0.265 mm Diesel engine 0.049 to 0.231 mm
Torque wrench settings Nm ibf
t

Petrol engines Big-end bolt 41 30 Camshaft bearing caps (1108 cc and 1242 cc (8-valve) engines: M8x 1.25 20 15 MB 10 7 Main bearing cap: Stage 1 40 30 Stage 2 Angle-tighten a further 90°
Diesel engines Big-end bolt: Stage 1 25 18 Stage 2 Angle-tighten a further 50° Camshaft bearing caps 19 14 Camshaft side mounts 19 14 Main bearing cap 113 83 Swirl chamber to head 118 87

2D*10 Engine removal and overhaul procedures
1 General information
Included In (his Part of Chapter 2 are details of removing the engine/transmission from the car and general overhaul procedures for tho cylinder head, cylinder block/crankca9e and all other engine internal components. The information given ranges from advice concerning preparation for an overhaul and the purchase of replacement parts, to detailed step-by-step procedures covering removal, inspection, renovation and refitting of engine Internal components. After Section 5, all instructions are based on the assumption that the engine has been removed from the car. For Information concerning in-car engine repair, as well as the removal and refitting of those external components necessary for full overhaul, refer to Part A, 8 or C of this Chapter (as applicable) and to Section 5. Ignore any preliminary dismantling operations described in Part A. B or C that are no longer relevant onca the engine has been removed from ihe car.
2 Engine overhaul -general information
1 It Is not always easy to determine when, or if, an engine should be completely overhauled, as a number of lectors must be considered. 2 High mileage Is not necessarily an Indication that an overhaul Is needed, while low mileage does not preclude the need for an overhaul. Frequency of servicing Is probably the most important consideration. An engine which has had regular and frequent oil and filter changes, as well as other required maintenance, should give many thousands of miles of reliable service. Conversely, a neglected engine may require an overhaul very early In its life. 3 Excessive oil consumption Is an Indication that piston rings, vaivo seals and/or valve guides are in need of attention. Make sure that oil leaks are not responsible before deciding that the rings and/or guides are worn Perform a compression test, as described In Parts A or B (petrol engines) or C (diesel engines) of this Chapter, to determine the likely cause of the problem. 4 Check the oil pressure with a gauge fitted In place of the oil pressure switch. If it Is extremely low. the main and big-end bearings, and/or the oil pump, are probably worn out. 5 Loss of power, rough running, knocking or metallic engine noises, excessive valve gear noise, and high fuel consumption may also point to Ihe need for an overhaul, especially if
they are all present at the same time. If a complete service does not remedy the situation, major mechanical work is the only solution. 6 An engine overhaul involves restoring ell Internal parts to the specification of a new engine. During an overhaul, the cylinders are rebored (where applicable), the pistons and the piston rings are renewed. New main and big-end bearings are generally fitted; If necessary, the crankshaft may be reground. to restore the journals. 7 The valves are also servrced as well, since they are usually In less-than-perfect condition at this point. While the engine is being overhauled, other components, such as the starter and alternator, can be overhauled as well. The end result should be an as-new engine that will give many trouble-free miles. Note: Critical cooling system components such as the hoses, thermostat and coolant pump should be renewed when an engine is overhauled. The radiator should be checked carefully, to ensure that it is not clogged or leaking. A/so. it Is a good Idea to renew the ofI pump whenever the engine i$ overhauled.
8 Before beginning the engine overhaul, read through tho entire procedure, to familiarise yourself with the scope and requirements of the job. Overhauling an engine is not difficult If you follow carefully all of the instructions, have the necessary tools and equipment, and pay close attention to all specifications. It can, however, be time-consuming. Plan on the car being off the road for a minimum of two weeks, especially If pans must be taken to an engineering wo'kd for repair or reconditioning.
9 Check on the availability of parts and make sure that any necessary special tools and equipment are obtained in advance. Most work can be done with typical hand lools, although a number of precision measuring tools are required (or Inspecting parts to determine if they must be renewed. Often the engineering works will handle the inspection of parts and offer advice concerning reconditioning and renewal, Note: Always wait unt'l the engine has been completely dismantled, and until all components (especially the cylinder block/crankcase and the crankshaft) have been inspected, before deciding what service and repair operations must be performed by an engineering works. The condition of these components will be the major factor to consider when determining whether to overhaul the original engine, or to buy a reconditioned unit. Do not. fh ere tore, purchase parts or have overhaul work done on other components until they have been thoroughly Inspected. As a general rule, time is the primary cost of an overhaul, so it does not pay to fit worn or sub-standard parts.
10 As a final note, to ensure maximum life and minimum trouble from a reconditioned engine, everything must be assembled wilh care, in a spotlessly-clean environment.
3 Engine and transmission removal -methods
and
precautions
1 If you have decided that the engine must be removed for overhaul or major repair work, several preliminary steps should be taken. 2 Locating a suitable place to work is extremely important. Adequate work space, along with storage space for the car, will be needed. If a workshop or garage Is not available, at the very least, a flat, level, clean work surface Is required. 3 Cleaning the engine compartment and engine/transmission before beginning the removal procedure wilt help keep tools clean and organised. 4 An engine hoist or A-frame will also be necessary. Make sure the equipment is rated In excess of the combined weight of the engine and transmission, Safety Ib of primary Importance, considering the potential hazards involved in lifting the engine/transmission out of the car. 5 If this is Ihe first time you have removed
an
engine, an assistant Bhould Ideally be available. Advice and aid from someone more experienced would also be helpful. There are many instances when one person cannot simultaneously perform all of the operations required when lifting the engine out of Ihe vehicle. 6 Plan the operation ahead of time. Before starting work, arrange for the hire of or obtain all of the tools and equipment you will need. Some of the equipment necessary to perform engine/transmission removal and Installation safely and wilh relative ease On addition to an engine hoist) Is as follows: a heavy duly trolley jack, complete sets of spanners and sockets as described in the reference section of this manual, wooden blocks, and plenty of rags and cleaning solvent for mopping up spitted oil, coolant and fuel. If the hoist must be hired, make sure that you arrange for it In advance, and perform all of the operations possible without it beforehand. This will save you money and time.
7 Plan for the car to be out of use for quite a while. An engineering works will be required to perform some of the work which the do-it-yourselfer cannot accomplish without special equipment. These places often have a busy schedule, so it would be a good idea to consul! them before removing the engine, in order to accurately estimate the amount of time required to rebuild or repair components that may need work, 9 Always be extremely careful when removing and refitting the engine/transmission. Serious injury can result from careless actions. Plan ahead and take your time, and a job of this nature, although major, can be accomplished successfully.

2D*10 Engine removal and overhaul procedures
Engine and transmission -removal, separation, connection and refitting
Note: The engine Is lowered from the engine compartment as a complete unit with the transmission; tho two are then separated for overhaul.
Removal 1 Remove the bonnet and disconnect the washer tubing as described in Chapter 11 (see illustrations). 2 Apply the handbrake, then jack up the front of the vehicle and support on axle stands (see Jacking and vehicle support). Remove both front wheels. In order to remove tne engine/transmission assembly in an upright position from under the vehicle, there must be a minimum clearance of 660 mm between the floor and the front crossmember. Additional height Is necessary if the assembly is to be lowered onto a trolley. 3 Where fitted, unbolt and remove the engine compartment lower cover. 4 Remove the auxiliary drivebelt(s) with reference to Chapter 1A or 1B. 5 Dram the engine oil. transmission oil/fluid and coolant with reference to Chapter 1A or 1B. 6 Remove the battery (see Chapter 5A). 7 On manual transmission models with a cable dutch, disconnect the clutch cable from the transmission (refer to Chapter 6). On manual transmission models with a hydraulic clutch unbolt the clutch slave cylinder from the top of the transmission then fit a cable-tie around it to prevent the piston coming out (see Illustration). Position the cylinder to one side. 8 Unscrew the nut and disconnect the earth lead from the transmission (see illustration). Petrol engines 9 Unbolt and remove the battery tray. 10 Disconnect the wiring from the reversing light switch. 11 On manual transmission models disconnect the reverse Inhibition cable from the transmission then disconnect the gear selector rod from the lever on the transmission. 12 Remove the air cleaner and ducting as descnbed In Chapter 4A or 4B. 13 On automatic transmission models disconnect the kickdown cable and gear selector cable as described in Chapter 7B. Also disconnect the wiring for the electro-magnetic clutch. 14 Unbolt and remove the cover from the bulkhead then disconnect the oxygen sensor wiring. 15 Disconnect the remaining wiring at the bulkhead and release the fuse holders at the mounting. 16 Disconnect the vacuum pipe from the inlet manifold, and also disconnect the wiring connector located next to it.
4.1a Unscrewing the bonnet hinge bolts
17 Unscrewthenutsandseparatetheengine wiring harness lead from the battery positive cable terminal. 18 Disconnect the accelerator cable from the engine as described in Chapter 4A or 4B, 19 Loosen the clip and disconnect the radiator top hose from the elbow on the left-hand end of the cylinder head. Similarly disconnect the bottom hose. On 16-valve models, remove the radiator electric cooling fan as described in Chapter 3. 20 Identify the hoses connected to the throttle housing, then disconnect them. 21 Identify the coolant heater hoses on the bulkhead for position, then loosen the clips and disconnect the hoses. 22 Loosen the clip and disconnect the brake servo vacuum hose from the Inlet manifold. Where applicable, disconnect the remaining emission control system vacuum hoses from the Inlet manifold after Identifying their locations to aid refitting. 23 Disconnect tho fuel supply and return hoses from the throttle housing. 24 Release the connector from the ignition/fuel ECU located on the right-hand side of the engine compartment. 25 Unscrew the nut and detach the earth cable from its location near the ECU. 26 Disconnect the diagnostic connector located near the ECU. 27 On models fitted with power steering, refer to Chapter 10 and unbolt the power steering pump from the front of the engine without disconnecting the hydraulic fluid lines then tie It to one side so that it will not obstruct the removal of the engine. On
4.1b Disconnecting the washer tubing
models with air conditioning, similarly unbolt the air conditioning compressor and position it clear of the engine. Do not disconnect the air conditioning refngerant pipes/hoses. 26 On manual transmission models pull out the retaining plate and disconnect the gear selector cable from the lever on the transmission. 29 Unscrew the nuts retaining the track rod ends on the swivel hubs and use a balljoint separator tool to disconnect them. 30 Release the flexible brake fluid hoses and ABS system sensor wrring from the front suspension struts. 31 On manual transmission models, unscrew the nuts from the outer ends of each driveshaft. To prevent the hubs from turning either have an assistant depress the brake pedal, or temporarily Insert two wheel bolts and use a lever to hold the hub. 32 On automatic transmission models use a suitable drift to drive out Ihe roll pins securing 2D the inner ends of the drlveshafts to tho trans-mission output stubs. Turn the driveshalts as necossary to access the roll pins . 33 Unscrew the two bolts securing the right-hand swivel hub assembly to the front suspension strut, then move the hub assembly outwards. On manual transmission models release the outer end of the driveshaft from the hub assembly - on automatic transmission models slide the inner end of the driveshaft off the final drive output stub. Take care not to strain the flexible brake hose while doing this. Move the driveshaft to one side thon temporanly refit the hub assembly to the strut. On manual transmission models, make
^ - / //
4.7 Fit a cable tie around the dutch slave cylinder to prevent the piston coming out 4.8 Disconnecting the earth lead from the transmission

2D*10 Engine removal and overhaul procedures
4.36a Relay guard mounting nuts 4.36b Battery tray and mounting bolts 4.36c Disconnect the engine wiring harness located above the transmission .
4.36d ... the inner wiring plug ...
sure that the dnveshaft is positioned to clear Ihe lower suspension arm when the engine is removed. 34 Disconnect the left-hand driveahaft using the same procedure
4.41 Engine wiring harness connections to the battery positive cable
4.36e ... and the outer wiring plug
35 Remove the exhaust front downpipe witfl reference to Chapter 4D. Diesel engines 36 Unbolt and remove the roiay guard then disconnect the wiring as applicable and unbolt the battery tray (see Illustrations). 37 Disconnect tho gear selector cable from the transmission by removing the retaining plate and prising the socket end off Ihe ball on the lever. Use a pair of pliors to pull out the plate. Tie the cable to the bulkhead (see illustration). 38 Unscrew the nut and disconnect the gear selector rod from the ievor on the top of the transmission, 39 Remove the air cleaner and air inlet duct by unscrewing the two bolls securing the duct to the valve cover and loosening the clip securing the duct to the air cleaner. Refer to Chapter 4C if necessary.
4.37 Tie tho gear selector cable to the bulkhead
40 Disconnect the vacuum pipe from the vacuum pump on the left-hand side of the cylinder head and disconnect the wiring plug located over the transmission, 41 Unscrew ihe nuts and disconnect the engine wiring harness from the battery positive cable (see illustration) 42 At the fuel filter unscrew the union bolt and disconnect the fuei delivery hose lor the injection pump. Use polythene and an elastic band to cover the end of the hose (see illustrations). 43 At the fuel injection pump unscrew the clip and disconnect thie fuel return hose (see illustration). 44 Disconnect the radiator top hose from the thermostat housing on tho left-hand side of the cylinder head, and also disconnect the healer hose at Ihe engine (see illustrations). 45 Disconnect the heater return hose and expansion tank hose from the elbow on the
4.42a Unscrew the union bolt and disconnect the fuel delivery hose from the fuel filter 4.42b Cover the end of the hose to prevent dust entry 4.43 Disconnecting the fuel return hose from the fuel injection pump

2D*10 Engine removal and overhaul procedures
6.5s Prising out the feed stub of the camshaft lubricating pipe J) Flywheel (Chapter 2C). k) Clutch components (Chapter
6).
I) Cooling system components (Chapter
3).
Note: When removing trie external components from the engine, pay close attention to details that may be helpful or important during refitting. Note the fitted position of gaskets, seals, spacers, pins, washers, bolts, and other small components. 4 If you are obtaining a short engine (the engine cylinder block/crankcase, crankshaft, pistons and connecting rods, all fully assembled), then the cylinder head, sump, oil pump, timing belt (together with its tensloner and covers), coolant pump, thermostat housing, coolant outlet elbows, oil filter housing and where applicable oil cooler will also have to be removed. 5 If you are planning a full overhaul, the engine can be dismantled in the order given below: $) Ftywhaoi/drivoplate.
6.5d When removing the camshaft bearing caps, note the position of the (ong and short locating dowels
bearing/banjo union bolt b) Timing belt, sprockets, and tensioner. c) Inlet and exhaust manifolds. d) Cylinder head. e) Sump. f) Oil pump. g) Pistons and crankshaft.
6 Cylinder head - % dismantling, cleaning, inspection and reassembly ^
Note: Now and reconditioned cylinder heads are available from the manufacturer or engine overhaul specialists. Be aware that some specialist tools are required for the dismantling and inspection procedures, and new com-ponents may not be readily available. It may therefore be mors practical and economical for the home mechanic to purchase a reconditioned head, rather than dismantle, inspect and recondition the original head.
Dismantling Note: On 8-valve petrol engines and diesel engines, the camshaft and cam followers are /oca fed In the cylinder head assembly and the relevant dismantling and reassembly procedures are contained in this Section. On 1$-valve petrol engines, the camshafts and cam followers are /oca fed In a separate housing (cylinder head extension) which is bo/fed fo the top of the cylinder head. All procedures relating to the camshafts and cam followers on 16-valve engines are therefore contained in Chapter 2B. Proceed fo paragraph 15 for cylinder head dismantling
6.8a Unscrew and remove the bolts from the thermostat housing, noting the location of the bracket
6.5c Removing the camshaft lubricating pipe procedures on /6-vafve engines, and ignore any references to camshafts, cam followers and oil seals in the paragraphs that follow. 1 Remove the cylinder head as described in Part A. B or C of this Chapter (as applicable). 2 If not already done, remove the inlet and exhaust manifolds with reference to the relevant Part of Chapter 4. Also remove the spark plugs, glow plugs and injectors as applicable. 3 Remove the camshaft sprocket with reference to Chapter 2A or 2C. Petrol engines 4 Mark the positions of the camshaft bearing caps, numbering them from the timing end. 5 Unbolt and remove the lubrication pipe (prise the oil feed stub out with a screwdriver). Unscrew the remaining bolts and take off the bearing caps (see illustrations). 6 Lift the camshaft carefully from the cylinder head, checking lhat the valve clearance shims and cam followers are not withdrawn by the adhesion of the oil (see Illustration). 7 Remove the shims and cam followers, but keep them In their originally fitted order. Diesel engines 8 Unbolt the thermostat housing and gasket, and vacuum pump from the left-hand end of the cylinder head. Also if necessary unbolt the coolant cover and gasket from the right-hand end of the head. Note the location of brackets (see illustrations) 9 Using a soft metal drift, carefully lap out the left-hand side mount and recover the gasket (soe illustrations). 10 At tho timing bait end of the cylinder head.
6.8b Removing the thermostat housing ... 6.6 Removing the camshaft

2D*10 Engine removal and overhaul procedures

V.
^
•
• - >v
4L

6.8c ... and gasket
unscrew the bolts securing the right-hand Side mount to the head. Carefully tap out the right-hand side mount and recover the gasket (see illustrations). 11 Mark the positions of the camshaft bearing
6.10a Removing tho camshaft right-hand side mount...
6.12b ... and remove the bearing caps
6.8d Unscrew the vacuum pump mounting nuts noting the location of the bracket
caps, numbering from the timing belt end. 12 Progressively unscrew the bearing cap nuts then take off the bearing caps. Note the location dowels on the mounting studs (sae Illustrations).
6.12c The camshaft mounting studs incorporate location dowels
6.8e Removing the vacuum pump
13 Lift the camshaft towards the timing end. then remove it from the cylinder head (see illustration). Make sure the valve clearance shims and cam followers are not withdrawn by the adhesion of the oil.
6.13 Removing the camshaft from the cylinder head
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