Tools Required
• | J 42069 Timing Belt
Alignment Kit |
Removal Procedure
- Remove the front timing belt cover. Refer to
Timing Belt Front Cover Replacement
.
- Rotate the crankshaft using the J 42098
until the #1 cylinder is at 60 degrees
before top dead center (BTDC).
- Install theJ 42069
Crankshaft
Locking Tool.
- Rotate the crankshaft in the engine rotational direction
(clockwise) using the J 42098
until
the #1 cylinder is at top dead center (TDC) and tighten the lever arm to the water
pump pulley flange.
Important: Ensure that the alignment of the crankshaft
is not 180 degrees off. The alignment mark must align with the corresponding
notches on the rear timing belt cover.
- Install the 1-2 and 3-4 camshaft locks, the J42069-1
Timing Belt Alignment Kit and the J42069-2.
Important: Do not rotate the crankshaft if the camshafts
are not locked in place with the 1-2 and 3-4 camshaft locks
(J42069-1 and J42069-2).
Important: Do not rotate the camshafts unless the crankshaft
is at 60 degrees BTDC or the valves may contact the crankshaft.
- Loosen the tensioner pulley.
- Remove the timing belt.
Installation Procedure
- Position crank at 60 degrees before TDC.
Notice: Refer to Fastener Notice in the Preface section.
- Install the lower idler pulley.
Tighten
Tighten the lower idler pulley bolt to 40 N·m
(30 lb ft).
- Install the upper idler pulley and hand tighten bolt.
Important: With the camshaft locks installed, verify
the distance between the camshaft sprockets with the Green Test Belt located in the
Timing Belt Alignment Kit J 42069.
- Install the timing belt tensioner and hand tighten nut and washer.
- Start #1 and #2 camshaft sprockets, route belt around #1 and #2 sprockets
while aligning belt marks to marks on the sprockets and rear cover.
- Install the belt around the timing belt tensioner.
- Route belt around upper idler pulley.
- Route belt around #3 and #4 camshaft sprockets while aligning belt
marks to marks on sprockets and rear cover.
- Route belt around crankshaft hub sprockets while aligning marks on belt
to marks on the crankshaft hub sprocket.
- Install the wedge tool J 42069-30 to lock
the timing belt onto crankshaft hub sprocket.
- With belt firmly engaged on crankshaft hub, carefully
rotate the crankshaft counterclockwise to get belt slack on lower idler pulley side.
- Route belt around the lower idler pulley.
- Remove the wedge tool J 42069-30.
- Re-install the crankshaft locking tool J 42069-10
and tighten the lever arm to the water pump pulley flange.
- Perform the following in sequence:
15.1. | Install the camshaft checking gage to cams 3 and 4 and verify
alignment marks are within 2 mm of each other. |
15.2. | Install 3 and 4 camshaft locks if properly aligned. |
15.3. | Install camshaft checking gage to cams 1 and 2. |
15.4. | Rotate #1 camshaft sprocket counterclockwise to remove
slack between 1 and 2, and 3 and 4 cams. |
| Important: Ensure that the camshaft timing marks are
to the left (retard) side of the checking gage.
|
15.5. | Rotate the upper idler pulley counterclockwise until the marks are properly
aligned within 2 mm of each other. |
15.6. | Install 1 and 2 camshaft locks when properly aligned. |
Tighten
Tighten the idler pulley bolt to 40 N·m
(30 lb ft).
- Adjust the timing belt tensioner that the center alignment
mark is approximately 3 mm (1/8 inch) above the alignment on the spring
loaded idler.
- Remove the 1 and 2 and 3 and 4
camshaft locks.
- Remove the timing belt kit J 42069-1and J 42069-2.
- Remove the crankshaft locking tool J 42069-10.
Important: If the TDC is passed, do not rotate the crankshaft
counterclockwise. This will not allow proper slack to be taken up between the timing
belt tensioner and crankshaft sprocket. To correct, rotate the crankshaft two additional
turns.
- Rotate the crankshaft 1 3/4 turns clockwise, install the crankshaft
locking tool J 42069-10, and stop at TDC.
- Tighten the lever arm to the water pump pulley flange.
- Install the checking gage J 42069-20 and
verify the marks are 2 mm of each other.
- Adjust the timing belt tensioner that the center alignment
mark is approximately 3 mm above the alignment mark on the spring loaded idler
and tighten the timing belt tensioner nut.
Tighten
Tighten the timing belt tensioner nut to 20 N·m
(15 lb ft).
- Remove the crankshaft locking tool J 42069-10
and the checking gage J 42069-20.
- Install the front timing belt cover. Refer to
Timing Belt Front Cover Replacement
.
- Lower the vehicle.
- Install the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
in
Engine Controls - 3.0 L81.
- Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in
Engine Electrical.
Tighten
Tighten the battery terminal bolt to 17 N·m
(13 lb ft).