
INTERNAL VACUUM PUMP
DESCRIPTION
The diesel engine uses a internal vacuum pump.
This vacuum pump is mounted in the front of the
engine block under the engine front cover (Fig. 45).
The vacuum pump is driven by a sprocket on the
crankshaft.
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove air cleaner housing.
(3) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(4) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(5) Support engine and remove right engine mount
(Refer to 9 - ENGINE/ENGINE MOUNTING/RIGHT
MOUNT - REMOVAL).
(6) Remove vibration damper/crankshaft pulley
(Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION
DAMPER - REMOVAL).
(7) Remove outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(8) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL).
(9) Remove timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
NOTE: Crankshaft hub has LHD thread.
(10) Remove crankshaft hub.
(11) Remove front engine cover (Refer to 9 -
ENGINE/ENGINE BLOCK/ENGINE COVER -
REMOVAL).
(12) Remove crankshaft sprocket (Fig. 46).
(13) Remove vacuum pump (Fig. 46).
INSTALLATION
(1) Lubricate vacuum pump blades and install in
vacuum pump body as shown (Fig. 47).
(2) Install vacuum pump in engine block (Fig. 46).
Torque bolts to 10.8N´m.
(3) Install crankshaft sprocket (Fig. 46). Torque
bolts to 10.8N´m.
(4) Install front engine cover (Refer to 9 -
ENGINE/ENGINE BLOCK/ENGINE COVER -
INSTALLATION).
(5) Install front crankshaft hub. Torque bolt to
304N´m.
(6) Install timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(7) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .
(8) Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(9) Install vibration damper/crankshaft pulley.
Fig. 45 VACUUM PUMP
Fig. 46 OIL PUMP AND VACUUM PUMP
1 - VACUUM PUMP
2 - CRANKSHAFT SPROCKET
3 - OIL PUMP
4 - ENGINE BLOCK
5 - CRANKSHAFT
RGENGINE9a-35
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(3) Raise vehicle on hoist.
(4) Remove oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - REMOVAL).
(5) Remove oil pump pickup tube.(Refer to 9 -
ENGINE/LUBRICATION/OIL PUMP - REMOVAL)
(6) Remove balance shaft assembly (Refer to 9 -
ENGINE/VALVE TIMING/BALANCE SHAFT -
REMOVAL).
(7) Remove top ridge of cylinder bores with a ridge
reamer before removing pistons from cylinder block.
Be sure to keep top of pistons covered during
this operation.
(8) Piston and connecting rods must be removed
from top of cylinder block. Rotate crankshaft so that
each connecting rod is centered in cylinder bore.NOTE: Be careful not to nick or scratch crankshaft
journals
(9) After removal, install bearing cap on the mat-
ing rod and mark pistons with matching cylinder
number when removed from engine block.
PISTON PIN - REMOVAL
(1) Secure connecting rods in a soft jawed vice.
(2) Remove 2 snap rings securing piston pin (Fig.
51).
(3) Push piston pin out of piston and connecting
rod (Fig. 51).
Fig. 49 RING END GAP MEASUREMENT
1 - FEELER GAUGE
Fig. 50 PISTON RING TO GROOVE CLEARANCE
Fig. 51 PISTON AND CONNECTING ROD ASSEMBLY
1 - PISTON PIN
2 - PISTON
3 - SNAP RING
4 - CONNECTING ROD ALIGNMENT NUMBERS
5 - CONNECTING ROD BOLT
6 - CONNECTING ROD BEARING
7 - CONNECTING ROD
8 - SNAP RING
RGENGINE9a-37
PISTON & CONNECTING ROD (Continued)
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assembly, determined by the numbers stamped on
the crown of individual pistons. Engine cylinders are
numbered starting from gear train end of the engine.
Face arrow on top of piston toward front of
engine. Therefore, the numbers stamped on connect-
ing rod big end should face toward the injection
pump side of engine. To insert piston into cylinder
use a ring compressor (VM.1065) as shown in (Fig.
57).
INSTALLATION
(1) Before installing pistons, and connecting rod
assemblies into the bore, be sure that compression
ring gaps are staggered so that neither is in line with
oil ring rail gap (Fig. 56).
(2) Before installing the ring compressor, make
sure the oil ring expander ends are butted together.
(3) Immerse the piston head and rings in clean
engine oil, slide the ring compressor, over the piston
and tighten (Fig. 57).Ensure position of rings
does not change during this operation.
NOTE: Be sure arrow on top of piston faces
towards front of engine.
NOTE: Be careful not to nick crankshaft journals.
(4) Rotate crankshaft so that the connecting rod
journal is on the center of the cylinder bore. Insert
rod and piston into cylinder bore and guide rod over
the crankshaft journal.(5) Tap the piston down in cylinder bore, using a
hammer handle. At the same time, guide connecting
rod into position on connecting rod journal.
(6) Install connecting rod caps (Fig. 58). Install rod
bolts and tighten to 30N´m (22 ft.lb.) plus 60É. Then
torque to 88N´m (65 ft.lb).
(7) Install cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - INSTALLATION).
(8) Install balance shaft assembly (Refer to 9 -
ENGINE/VALVE TIMING/BALANCE SHAFT -
INSTALLATION).
(9) Install oil pump pickup tube (Refer to 9 -
ENGINE/LUBRICATION/OIL PUMP - INSTALLA-
TION).
(10) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
(11) Connect negative battery cable.
Fig. 57 PISTON INSTALLATION USING VM.1065
Fig. 58 PISTON AND CONNECTING ROD
INSTALLATION
1 - PISTON AND CONNECTING ROD ASSEMBLY
2 - FOUR DIGIT NUMBER
3 - CONNECTING ROD BOLT
4 - FOUR DIGIT NUMBER
9a - 40 ENGINERG
PISTON & CONNECTING ROD (Continued)
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CRANKSHAFT OIL SEAL -
FRONT
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove air cleaner housing.
(3) Support engine and remove right engine mount
(Refer to 9 - ENGINE/ENGINE MOUNTING/RIGHT
MOUNT - REMOVAL).
(4) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(5) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(6) Remove vibration damper/crankshaft pulley
(Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION
DAMPER - REMOVAL).
(7) Remove outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(8) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL).
(9) Remove timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
NOTE: Crankshaft hub retaining bolt has LHD
thread.
(10) Remove crankshaft hub.
(11) Remove front engine cover (Fig. 59) (Refer to
9 - ENGINE/ENGINE BLOCK/ENGINE COVER -
REMOVAL).
(12) With cover on work bench, pry out old seal.
INSTALLATION
(1) Clean engine block and front engine cover seal-
ing surfaces.
(2) Install crankshaft oil seal on VM.1061 (Fig.
60).
(3) Place sleeve for VM.1061 on workbench as
shown (Fig. 60).
Fig. 59 ENGINE COVER - FRONT
1 - CRANKSHAFT HUB RETAINING BOLT
2 - FRONT ENGINE COVER RETAINING BOLTS
3 - ENGINE BLOCK
4 - FRONT ENGINE COVER ALIGNMENT DOWELS
5 - FRONT ENGINE COVER
6 - CRANKSHAFT HUB
Fig. 60 VM.1061 PLACEMENT
1 - VM.1061
2 - FRONT ENGINE COVER
3 - WORK BENCH
4 - SLEEVE FROM VM.1061
RGENGINE9a-41
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(4) Using hammer, install new seal into front
engine cover (Fig. 61).
(5) Install front engine cover (Refer to 9 -
ENGINE/ENGINE BLOCK/ENGINE COVER -
INSTALLATION).
(6) Install crankshaft hub and retaining bolt.
Torque bolt to 304N´m.
(7) Install timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(8) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .
(9) Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(10) Install vibration damper/crankshaft pulley
(Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION
DAMPER - INSTALLATION).
(11) Install accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(12) Install power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(13) Install right engine mount (Refer to 9 -
ENGINE/ENGINE MOUNTING/RIGHT MOUNT -
INSTALLATION).
(14) Install air cleaner housing.
(15) Connect negative battery cable.VIBRATION DAMPER
REMOVAL
(1) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(2) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(3) Remove vibration damper retaining bolts and
damper (Fig. 62).
INSTALLATION
(1) Install vibration damper and retaining bolts
(Fig. 62). Torque bolts to 27.5N´m.
(2) Install accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(3) Install power steering belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
Fig. 61 CRANKSHAFT OIL SEAL INSTALLATION
WITH VM.1061
1 - VM.1061
2 - FRONT ENGINE COVER
3 - WORK BENCH
Fig. 62 VIBRATION DAMPER
1 - BELT TENSIONER RETAINING BOLT
2 - BELT TENSIONER
3 - IDLER PULLEY
4 - VIBRATION DAMPER/CRANKSHAFT PULLEY
5 - VIBRATION DAMPER/CRANKSHAFT PULLEY RETAINING
BOLTS
9a - 42 ENGINERG
CRANKSHAFT OIL SEAL - FRONT (Continued)
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ENGINE COVER - FRONT
DESCRIPTION
The front engine cover on this engine is a stamped
steel cover which covers the oil pump and vacuum
pump.
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove air cleaner housing.
(3) Support engine and remove right engine mount
(Refer to 9 - ENGINE/ENGINE MOUNTING/RIGHT
MOUNT - REMOVAL).
(4) Remove power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(5) Remove accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL).
(6) Remove vibration damper (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL).
(7) Remove timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
CAUTION: Before removing the cylinder head cover/
intake manifold or timing belt the engine must put
at 90É after TDC. Failure to do so could result in
valve and/or piston damage during reassembly.
(Refer to 9 - ENGINE/VALVE TIMING - STANDARD
PROCEDURE)
(8) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL).
(9) Remove timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
NOTE: Crankshaft hub has LHD thread.
(10) Remove crankshaft hub.
(11) Remove front engine cover (Fig. 63).
INSTALLATION
(1) Clean engine block and front engine cover seal-
ing surfaces.
(2) Apply a continous 3mm bead of Silicone Sealer
to cover, install within 10 minutes (Fig. 63). Torque
bolts to 11.8N´m.
(3) Install crankshaft hub (Fig. 63). Torque bolt to
304N´m.
(4) Install timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).(5) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .
(6) Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(7) Install vibration damper (Refer to 9 - ENGINE/
ENGINE BLOCK/VIBRATION DAMPER - INSTAL-
LATION).
(8) Install right engine mount (Refer to 9 -
ENGINE/ENGINE MOUNTING/RIGHT MOUNT -
INSTALLATION).
(9) Install accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(10) Install power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(11) Install air cleaner housing.
(12) Connect negative battery cable.
Fig. 63 ENGINE COVER - FRONT
1 - CRANKSHAFT HUB RETAINING BOLT
2 - FRONT ENGINE COVER RETAINING BOLTS
3 - ENGINE BLOCK
4 - FRONT ENGINE COVER ALIGNMENT DOWELS
5 - FRONT ENGINE COVER
6 - CRANKSHAFT HUB
RGENGINE9a-43
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CRANKSHAFT MAIN
BEARINGS
REMOVAL
The engine must be removed from vehicle and com-
pletely disassembled to replace the front main bear-
ing.
CRANKSHAFT MAIN BEARINGS
(1) With crankshaft assembly removed from
engine.
(2) Remove crankshaft supports from crankshaft
and remove bearing halves from supports (Fig. 64).
CRANKSHAFT FRONT MAIN BEARING
(1) Using special tool VM.1073 push front main
bearing out of front of engine block (Fig. 65).
Fig. 64 CRANKSHAFT ASSEMBLY
1 - CRANKSHAFT SUPPORT HALVE
2 - MAIN BEARING HALVE
3 - CRANKSHAFT
4 - MAIN BEARING HALVE
5 - CRANKSHAFT SUPPORT HALVE
6 - MAIN BEARING SUPPORT BOLTS
7 - WASHERS
Fig. 65 FRONT MAIN BEARING REMOVAL
1 - VM.1073
2 - FRONT CRANKSHAFT MAIN BEARING
3 - ENGINE BLOCK
9a - 44 ENGINERG
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INSTALLATION
CRANKSHAFT MAIN BEARINGS
(1) Install bearing halves in crankshaft supports.
(2) Lubricate crankshaft and main bearings with
clean engine oil.
(3) Install crankshaft supports on crankshaft (Fig.
66). Torque bolts to 44.1N´m.
FRONT CRANKSHAFT MAIN BEARING
(1) Using special tool VM.1073, push front crank-
shaft main bearing in engine block (Fig. 67).
(2) Be sure oil hole in bearing lines up with oil gal-
lery in engine block (Fig. 68).
(3) Reassemble engine and install in vehicle.
Fig. 66 CRANKSHAFT ASSEMBLY
1 - CRANKSHAFT SUPPORT HALVE
2 - MAIN BEARING HALVE
3 - CRANKSHAFT
4 - MAIN BEARING HALVE
5 - CRANKSHAFT SUPPORT HALVE
6 - MAIN BEARING SUPPORT BOLTS
7 - WASHERS
Fig. 67 FRONT MAIN BEARING INSTALLATION
1 - FRONT CRANKSHAFT MAIN BEARING
2 - ENGINE BLOCK
3 - SPECIAL TOOL VM.1073
Fig. 68 FRONT MAIN BEARING ALIGNMENT
1 - ENGINE BLOCK
2 - OIL HOLE IN BEARING
3 - FRONT CRANKSHAFT MAIN BEARING
RGENGINE9a-45
CRANKSHAFT MAIN BEARINGS (Continued)
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