Timing Belt Adjustment Procedure; Timing Belt Adjustment; Cyl. Engine Mounting-Firebird; Accessory Drive Hosuing Mounting Bolts - Pontiac Grand Prix Service Manual

6-8 1%9
PONTIAC SERVICE MANUAL
NGlNE BLOCK
6 CYL. ENGINE
Fig. 6-9 6 Cyl. Engine Mounting-Firebird
6. Install bolts and clamps while holding manifold in
place with one hand.
7. Tighten bolts to 30 lb. ft.
8. Connect exhaust pipe to manifold.
9. Reverse steps 1-5 of Removal to complete installa-
tion procedure.
TIMING BELT TOP FRONT COVER
REMOVE
1. Remove two retaining screws on front of cover.
Fig. 6-10 J 22773 Installed
Fig. 6-11 Accessory Drive Hosuing Mounting Bolts
2. Lift up cover to disengage side clips.
3. Remove retaining clips from cover.
REPLACE
1. Place cover in position and install two attaching
screws. Tighten to 12 lb. ft.
4
TIMING BELT ADJUSTMENT PROCEDURE
TIMING BELT ADJUSTMENT
NOTE: Engine should be at room temperature whenever
timing bell tension is checked.
1. Remove timing belt top front cover.
2. Using J 22232-2 calibration bar as shown in Fin. 6-12
set poiGer of: tension firture J 22232-1 to line u - with
mark on minus side.
NOTE: This calibration must be performed prior to each
use of the J 22232 fixture to insure. an accurate timing
belt adjustment.
3. Remove the camshaft sprocket to camshaft bolt and
washer and install J 22232-1 tension fmture on the belt
with the rollers on the outside (smooth) surface of belt.
Thread the fixture mounting bolt into camshaft
sprocket bolt location finger-tight.
4. Squeeze indicator end (upper) of fmture and quickly
release, so that fmture assumes released or relaxed
p s i tion.
5. With J 22232-1 installed as above, adjust accessory
drive housing (Fig. 6-11) up or down as required to
obtain a tension adjustment indicator centered in the
green range with- drive housing mounting bolts
torqued to 15 lb. ft.