Fiero L4-151 2.5L (1985)
Remove or Disconnect
1.
Rear compartment lid and "battery-side" cover.
IMPORTANT:
DO NOT REMOVE THE TORSION ROD RETAINING BOLTS.
2.
Negative battery cable.
3.
Left side cover and mounting bracket.
4.
Accessory drive belt(s).
5.
Upper engine torque strut.
6.
Air cleaner assembly.
7.
Braided body ground strap - below right hinge of rear compartment lid.
8.
Trim piece on battery side.
9.
Install engine support fixture - J28467-A per Service Manual.
10.
Raise vehicle.
11.
Both rear wheels.
12.
Brakeline-to-body brackets (both sides).
13.
Retaining bolt from right rear brakeline junction block.
14.
Inner fender well and splash shield (right side).
15.
Push pins (3) from left rear splash shield.
16.
Rear suspension strut bolts - mark struts for realignment. See Section 3D in Service Manual.
17.
Drain coolant partially.
18.
Timing pointer plate (as applicable).
19.
Drain engine oil (remove oil filter).
20.
Starter - let hang.
21.
Flywheel/flexplate cover.
22.
Crankshaft pulley (have assistant hold flywheel).
23.
Parking brake cable through cradle - J34065.
24.
Front frame (cradle) bolts.
25.
Rear frame (cradle) bolts.
26.
Lower vehicle.
27.
Lower engine assembly with engine support fixture.
28.
Heater hose from intake manifold.
29.
Belt tensioner (where applicable).
30.
Raise vehicle.
31.
Timing gear cover - do not distort.
Clean
-
Timing gear cover and engine sealing surfaces.
32.
Align crankshaft/camshaft timing marks on gears.
33.
Drill and tap hole on the camshaft centerline (8 mm drill, 1/2 inch deep).
CAUTION: WEAR SAFETY GLASSES TO AVOID EYE DAMAGE.
USE CARE WHEN DRILLING AND TAPPING CAM GEAR TO AVOID DAMAGE TO THE CAMSHAFT.
IMPORTANT:
COVER OIL PAN OPENING WITH RAGS TO PREVENT CHIPS FROM FALLING INTO PAN.
34.
Tap the 8 mm hole with a 3/8-16-NC bottoming tap.
IMPORTANT:
AVOID BUILD-UP OF CHIPS. BACK OUT THE TAP EVERY FEW TURNS AND REMOVE CHIPS.
35.
Center punch and drill (2) 3 mm pilot holes in the metal hub of the cam gear (180 degrees apart).
IMPORTANT:
USE CARE TO AVOID DRILL WANDER THAT COULD DAMAGE CAMSHAFT.
36.
Enlarge pilot holes with 5.5 mm drill; 1/4 inch deep.
37.
Tap 5.5 mm holes with 1/4-28-NF bottoming tap.
38.
Drill a hole no larger than 1 mm (.040 in.) in the front oil gallery plug. This provides improved lubrication to the timing gears.
Clean
-
Oil pan of debris.
