(24) Remove cylinder head cover/intake manifold
retaining bolts (Fig. 25).
(25) Lift cylinder head cover/intake manifold from
cylinder head (Fig. 25).
NOTE: When removing rocker arm and lifter assem-
blies, be sure to keep them in order as they were
removed from the cylinder head. Always keep lifters
in an upright position when removed from cylinder
head.
(26) Remove rocker arm and lifter assemblies from
cylinder head (Fig. 26).
(27) Remove cylinder head cover/intake manifold
gasket from cylinder head.
INSTALLATION
(1) Clean and inspect sealing surfaces.
(2) Install new gasket on cylinder head.
(3) Install rocker arm and lifter assemblies in cyl-
inder head (Fig. 26).Be sure to put rocker arm
and lifter assemblies in same location as
removed.
(4) Install cylinder head cover/intake manifold
alignment studs in cylinder head (Fig. 27).(5) Install cylinder head cover/intake manifold
over alignment stud.
NOTE: Be sure to lubricate cylinder head cover/in-
take manifold retaining bolts with engine oil before
assembly. If new bolts are being installed, DO NOT
lubricate before assembly.
(6) Install two cylinder head cover/intake manifold
retaining bolts and tighten finger tight.
(7) Remove alignment studs and install remaining
retaining bolts (Fig. 25). Tighten retaining bolts fin-
ger tight.
(8) Torque cylinder head cover/intake manifold
retaining bolts following procedure below.
CYLINDER HEAD COVER/INTAKE MANIFOLD
TIGHTENING PROCEDURE
(1) Alternate between bolts #11 and #16 to seat
cylinder head cover/intake manifold on cylinder head
(Fig. 28). Torque bolts to 7 N´m.
(2) Torque all cylinder head cover/intake manifold
retaining bolts to 25 N´m in numerical order starting
with #1 and ending with #16 (Fig. 28).
(3) Connect EGR tube at intake manifold inlet
tube. Torque clamp to 10.8 N´m.
Fig. 25 CYLINDER HEAD COVER/INTAKE
MANIFOLD ASSEMBLY
1 - CYLINDER HEAD COVER/INTAKE MANIFOLD BOLTS(LONG)
2 - CYLINDER HEAD COVER/INTAKE MANIFOLD
3 - CYLINDER HEAD
4 - CYLINDER HEAD COVER/INTAKE MANIFOLD GASKET
5 - CYLINDER HEAD COVER/INTAKE MANIFOLD
BOLTS(SHORT)
Fig. 26 CYLINDER HEAD COVER/INTAKE
MANIFOLD GASKET LOCATION
1 - THERMOSTAT HOUSING
2 - ROCKER ARM AND LIFTER ASSEMBLY
3 - CYLINDER HEAD COVER/INTAKE MANIFOLD
4 - CYLINDER HEAD
9a - 26 ENGINE 2.5L TURBO DIESELRG
CYLINDER HEAD COVER(S) (Continued)
ProCarManuals.com
(4) Install turbo inlet tube retaining bolt at intake
manifold. Torque bolt to 27.5 N´m.
(5) Connect oil separator outlet hose at separator.
(6) Install oil dipstick tube retaining bolt at intake
manifold inlet. Torque bolt to 10 N´m.
(7) Install power steering pump reservoir in
bracket.
(8) Install fuel rail (Refer to 14 - FUEL SYSTEM/
FUEL DELIVERY/FUEL RAIL - INSTALLATION).
(9) Install fuel injectors and fuel injector supply
lines (Refer to 14 - FUEL SYSTEM/FUEL INJEC-
TION/FUEL INJECTOR - INSTALLATION).
(10) Connect vacuum lines at EGR solenoid.
(11) Clip wiring harness retainers on studs on fuel
rail (Fig. 24).
(12) Connect camshaft position sensor, boost pres-
sure/intake air temperature sensor, EGR solenoid,
and fuel pressure sensor electrical connectors (Fig.
24).
(13) Install inner timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(14) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .
(15) Install outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(16) Install right engine mount (Refer to 9 -
ENGINE/ENGINE MOUNTING/RIGHT MOUNT -
INSTALLATION).
(17) Install generator (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - INSTALLATION).
(18) Install accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(19) Install power steering belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(20) Install air cleaner housing assembly.
(21) Remove crankshaft and both camshaft locking
pins (Refer to 9 - ENGINE/VALVE TIMING - STAN-
DARD PROCEDURE).
(22) Refill cooling system (Refer to 7 - COOLING/
ENGINE/COOLANT - STANDARD PROCEDURE).
(23) Install engine cover (Refer to 9 - ENGINE -
INSTALLATION).
(24) Install front wiper unit (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
INSTALLATION).
(25) Connect negative battery cable.
Fig. 27 CYLINDER HEAD COVER/INTAKE
MANIFOLD ALIGNMENT STUDS VM.1066
1 - CYLINDER HEAD COVER/INTAKE MANIFOLD ALIGNMENT
STUDS VM.1066
2 - CYLINDER HEAD
Fig. 28 CYLINDER HEAD COVER/INTAKE
MANIFOLD TIGHTENING SEQUENCE
RGENGINE 2.5L TURBO DIESEL9a-27
CYLINDER HEAD COVER(S) (Continued)
ProCarManuals.com
CAMSHAFT OIL SEAL(S)
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove air cleaner housing assembly.
(3) Support engine and remove right engine mount
(Refer to 9 - ENGINE/ENGINE MOUNTING/RIGHT
MOUNT - REMOVAL).
(4) Remove outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
WARNING: Before removing the 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)
(5) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL).
(6) Using VM.1055, remove both camshaft gears
(Fig. 29).
(7) Remove both camshaft oil seals.
INSTALLATION
(1) Install new camshaft oil seal.
(2) Install camshaft sprockets and tighten retain-
ing bolts finger tight.
(3) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .
(4) Torque camshaft sprockets to 108 N´m using
VM.1055 (Fig. 29).
(5) Install outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(6) Install right engine mount (Refer to 9 -
ENGINE/ENGINE MOUNTING/RIGHT MOUNT -
INSTALLATION).
(7) Install air cleaner housing assembly.
(8) Connect negative battery cable.
ROCKER ARMS
DESCRIPTION
The rocker arms are made of stamped steel (Fig.
30).
OPERATION
The rocker arms are used as a link between the
camshaft and valves. As the camshaft rotates the
lobes of the camshafts apply downward pressure on
the rocker arms. This pressure is then transmitted to
the valves which causes the valves to open.
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove front wiper unit (Refer to 8 - ELEC-
TRICAL/WIPERS/WASHERS/WIPER MODULE -
REMOVAL).
(3) Remove air cleaner housing assembly.
(4) Support engine and remove right engine mount
(Refer to 9 - ENGINE/ENGINE MOUNTING/RIGHT
MOUNT - REMOVAL).
(5) Remove outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(6) Remove timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - REMOVAL).
(7) Remove inner timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
(8) Remove cylinder head cover/intake manifold
(Refer to 9 - ENGINE/CYLINDER HEAD/CYLIN-
DER HEAD COVER(S) - REMOVAL).
(9) Remove rocker arm from lifter (Fig. 31).
Fig. 29 CAMSHAFT GEAR REMOVAL/INSTALLATION
1 - TIMING BELT INNER COVER
2 - CAMSHAFT SPROCKET
3 - IDLER PULLEYS
4 - CAMSHAFT SPROCKET
5 - VM.1055
9a - 28 ENGINE 2.5L TURBO DIESELRG
ProCarManuals.com
(5) Install front engine cover (Refer to 9 -
ENGINE/ENGINE BLOCK/ENGINE COVER -
INSTALLATION).
(6) Install rear main bearing support in engine
block.Be sure to align oil hole in rear main
bearing support with hole in block.
(7) Install adapter plate and retaining bolts (Fig.
37). Torque bolts to 27.5N´m.
(8) Install flywheel.
(9) Install piston and connecting rod assemblies
(Refer to 9 - ENGINE/ENGINE BLOCK/PISTON &
CONNECTING ROD - INSTALLATION).
(10) Install oil jets (Refer to 9 - ENGINE/LUBRI-
CATION/OIL JET - INSTALLATION).
(11) Install balance shaft assembly (Refer to 9 -
ENGINE/VALVE TIMING/BALANCE SHAFT -
INSTALLATION).
(12) Install oil pump pickup tube (Refer to 9 -
ENGINE/LUBRICATION/OIL PUMP - INSTALLA-
TION).
(13) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
(14) Install cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - INSTALLATION).
(15) Install cylinder head cover/intake manifold
(Refer to 9 - ENGINE/CYLINDER HEAD/CYLIN-
DER HEAD COVER(S) - INSTALLATION).
(16) Install timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(17) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .(18) Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(19) Install engine in vehicle.
(20) Fill engine oil with proper oil to correct level.
CYLINDER LINERS
DESCRIPTION
The cylinder wall liner used on this engine is of
the wet design. O-rings are used to seal the liner to
the engine block.
REMOVAL
(1) Remove engine from vehicle.
(2) With engine completely disassembled, use spe-
cial tool VM.1001 to remove liner assembly (Fig. 41).
(3) Tighten bolt on VM.1001 to remove liner from
block (Fig. 42).
(4) Remove shims from cylinder liner or cylinder
block recess. Keep shims with each cylinder liner.
INSPECTION
The cylinder walls should be checked for out-of-
round and taper with a dial bore gauge. The cylinder
bore out-of-round is 0.100 mm (.0039 in.) maximum
Fig. 40 CRANKSHAFT SUPPORT RETAINERS
1 - CRANKSHAFT SUPPORT RETAINERS
2 - ENGINE BLOCK
Fig. 41 CYLINDER LINER REMOVER
9a - 34 ENGINE 2.5L TURBO DIESELRG
CRANKSHAFT (Continued)
ProCarManuals.com
(8) Fit the liners in the crankcase making sure
that the shim is positioned correctly in the seat. Lock
the liners in position using special tool (VM.1076)
and bolts (Fig. 45). Clean the residual LOCTITE on
the upper surface of the block deck.
(9) Recheck the liner protrusion. It should be 0.01
- 0.06 mm.
NOTE: A period of six hours must elapse between
the liners being installed and engine start-up. If
engine assembly is not continued after liner instal-
lation, the liners need to be clamped for twelve
hours minimum.
(10) Reassemble engine.
(11) Install engine in vehicle.
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. 46).
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. 47).
(13) Remove vacuum pump (Fig. 47).
INSTALLATION
(1) Lubricate vacuum pump components and
install in engine block (Fig. 47). Torque bolts to
10.8N´m.
(2) Install crankshaft sprocket (Fig. 47). Torque
bolts to 10.8N´m.
(3) Install front engine cover (Refer to 9 -
ENGINE/ENGINE BLOCK/ENGINE COVER -
INSTALLATION).
Fig. 45 LINER CLAMP LOCATION
1 - ENGINE BLOCK
2 - LINER RETAINER VM.1076
3 - CYLINDER LINER
Fig. 46 VACUUM PUMP
9a - 36 ENGINE 2.5L TURBO DIESELRG
CYLINDER LINERS (Continued)
ProCarManuals.com
(4) Install front crankshaft hub. Torque bolt to
304N´m.
(5) Install timing belt inner cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(6) Install timing belt (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT/CHAIN AND
SPROCKETS - INSTALLATION) .
(7) Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
(8) Install vibration damper/crankshaft pulley.
(9) Install right engine mount (Refer to 9 -
ENGINE/ENGINE MOUNTING/RIGHT MOUNT -
INSTALLATION).
(10) Install accessory drive belt (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
(11) Install power steering belt (Refer to 7 - COOL-
ING/ACCESSORY DRIVE/DRIVE BELTS - INSTAL-
LATION).
(12) Install air cleaner housing.
(13) Connect negative battery cable.
PISTON & CONNECTING ROD
DESCRIPTION
The pistons are of a free floating design. Oil jets in
the engine block lubricate and cool the piston and pin
assembly. The connecting rods have a pressed in
place wrist pin bushing which is lubricated by the oil
jets (Fig. 48).
STANDARD PROCEDURE - PISTON RING
FITTING
(1) Wipe cylinder bore clean. Insert ring and push
down with piston to ensure it is square in bore. The
ring gap measurement must be made with the ring
positioning at least 12 mm (0.50 in.) from bottom of
Fig. 47 OIL PUMP AND VACUUM PUMP
1 - VACUUM PUMP
2 - CRANKSHAFT SPROCKET
3 - OIL PUMP
4 - ENGINE BLOCK
5 - CRANKSHAFT
Fig. 48 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
RGENGINE 2.5L TURBO DIESEL9a-37
INTERNAL VACUUM PUMP (Continued)
ProCarManuals.com
(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. 56).Ensure position of rings
does not change during this operation.
(4) Face arrow on piston towards front of engine.
NOTE: Be careful not to nick crankshaft journals.
(5) 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.
(6) Tap the piston down in cylinder bore, using a
hammer handle. At the same time, guide connecting
rod into position on connecting rod journal.
(7) Install connecting rod caps (Fig. 57). Install rod
bolts and tighten to 30N´m (22 ft.lb.) plus 60É. Then
torque to 88N´m (65 ft.lb).
Fig. 54 PISTON RINGS-INSTALLATION
Fig. 55 PISTON RING GAP LOCATION
3 - TOP COMPRESSION RING GAP POSITION
1 - SECOND COMPRESSION RING GAP POSITION
2 - OIL CONTROL RING GAP POSITION
Fig. 56 PISTON INSTALLATION USING VM.1065
1 - PISTON
2 - VM.1065
3 - ENGINE BLOCK
Fig. 57PISTON AND CONNECTING ROD INSTALLATION
1 - PISTON AND CONNECTING ROD ASSEMBLY
2 - FOUR DIGIT NUMBER
3 - CONNECTING ROD BOLT
4 - FOUR DIGIT NUMBER
RGENGINE 2.5L TURBO DIESEL9a-41
PISTON & CONNECTING ROD (Continued)
ProCarManuals.com
(8) Install cylinder head (Refer to 9 - ENGINE/
CYLINDER HEAD - INSTALLATION).
(9) Install balance shaft assembly (Refer to 9 -
ENGINE/VALVE TIMING/BALANCE SHAFT -
INSTALLATION).
(10) Install oil pump pickup tube (Refer to 9 -
ENGINE/LUBRICATION/OIL PUMP - INSTALLA-
TION).
(11) Install oil pan (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - INSTALLATION).
(12) Connect negative battery cable.
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. 58) (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.
59).(3) Place sleeve for VM.1061 on workbench as
shown (Fig. 59).
(4) Using hammer, install new seal into front
engine cover (Fig. 60).
(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).
Fig. 58 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
9a - 42 ENGINE 2.5L TURBO DIESELRG
PISTON & CONNECTING ROD (Continued)
ProCarManuals.com