Dodge Dakota (ND). Manual — part 834
INSTALLATION
1. Thoroughly clean the idler shaft bore.
2. Position the idler shaft in the bore.
NOTE: The two lubrication holes in the idler shaft do not require any special alignment.
NOTE: Before using the retaining bolt to install the idler shaft, coat the threads and the pilot on the idler
shaft, with clean engine oil.
3. Using the primary idler sprocket retaining bolt and washer, carefully draw the idler shaft into the bore until fully
seated.
4. Coat the idler shaft with clean engine oil.
5. Install the timing chains and sprockets. Refer to procedure in this section.
COVER - TIMING
REMOVAL
1. Disconnect the battery negative cable.
2. Drain cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
3. Remove electric cooling fan and fan shroud assem-
bly.
4. Remove radiator fan (Refer to 7 - COOLING/EN-
GINE/RADIATOR FAN - REMOVAL).
5. Disconnect both heater hoses at timing cover.
6. Disconnect lower radiator hose at engine.
7. Remove accessory drive belt tensioner assembly
(1).
8. Remove crankshaft damper (Refer to 9 - ENGINE/
ENGINE
BLOCK/VIBRATION
DAMPER
-
REMOVAL).
9. Remove the generator (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - REMOVAL).
10. Remove A/C compressor (Refer to 24 - HEATING
& AIR
CONDITIONING/PLUMBING/A/C
COM-
PRESSOR - REMOVAL).
CAUTION: The 3.7L engine uses an anerobic
sealer instead of a gasket to seal the front cover to the engine block, from the factory. For service, Mopar
T
Grey Engine RTV sealant must be substituted.
NOTE: It is not necessary to remove the water pump for timing cover removal.
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ENGINE - 3.7L SERVICE INFORMATION
ND
11. Remove the bolts holding the timing cover to
engine block.
12. Remove the timing cover.
INSTALLATION
CAUTION: Do not use oil based liquids to clean
timing cover or block surfaces. Use only rubbing
alcohol, along with plastic or wooden scrapers.
Use no wire brushes or abrasive wheels or metal
scrapers, or damage to surfaces could result.
1. Clean timing chain cover and block surface using
rubbing alcohol.
CAUTION: The 3.7L uses a special anerobic sealer
instead of a gasket to seal the timing cover to the
engine block, from the factory. For service repairs,
Mopar
T
Engine RTV must be used as a substitute.
2. Inspect the water passage o-rings (2) for any dam-
age, and replace as necessary.
3. Apply Mopar
T
Engine RTV sealer to front cover as
shown (3) using a 3 to 4mm thick bead.
ND
ENGINE - 3.7L SERVICE INFORMATION
9 - 875
4. Install cover. Tighten fasteners in sequence as
shown in to 58 N·m (43 ft. lbs.).
5. Install crankshaft damper (Refer to 9 - ENGINE/
ENGINE BLOCK/VIBRATION DAMPER - INSTAL-
LATION).
6. Install the A/C compressor (Refer to 24 - HEATING
&
AIR
CONDITIONING/PLUMBING/A/C
COM-
PRESSOR - INSTALLATION).
7. Install the generator (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - INSTALLATION).
8. Install accessory drive belt tensioner (Refer to 7 -
COOLING/ACCESSORY DRIVE/BELT TENSION-
ERS - INSTALLATION).
9. Install radiator upper and lower hoses.
10. Install both heater hoses.
11. Install radiator fan (Refer to 7 - COOLING/EN-
GINE/RADIATOR FAN - INSTALLATION).
12. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
13. Connect the battery negative cable.
TIMING CHAIN & SPROCKETS
REMOVAL
1. Disconnect negative cable from battery.
2. Drain cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
3. Remove right and left cylinder head covers (Refer
to
9
-
ENGINE/CYLINDER
HEAD/CYLINDER
HEAD COVER(S) - REMOVAL).
4. Remove radiator fan (Refer to 7 - COOLING/EN-
GINE/RADIATOR FAN - REMOVAL).
5. Rotate engine until timing mark (2) on crankshaft
damper aligns with TDC mark on timing chain
cover (1).
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ENGINE - 3.7L SERVICE INFORMATION
ND
6. Make sure the camshaft sprocket “V6” marks (1)
are at the 12 o’clock position (No. 1 TDC exhaust
stroke).
7. Remove power steering pump (Refer to 19 -
STEERING/PUMP - REMOVAL).
8. Remove access plugs (1 and 2) from left and right
cylinder heads for access to chain guide fasteners.
9. Remove the oil fill housing to gain access to the
right side tensioner arm fastener.
10. Remove
crankshaft
damper
(Refer
to
9
-
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL) and timing chain cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
11. Collapse and pin primary chain tensioner.
CAUTION: Plate behind left secondary chain ten-
sioner could fall into oil pan. Therefore, cover pan
opening.
12. Remove secondary chain tensioners.
ND
ENGINE - 3.7L SERVICE INFORMATION
9 - 877
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