Install the key.
Lubricate the camshaft surface with Lubriplate 105 or equivalent.
Caution: The camshaft gear will be permanently distorted if overheated. The oven temperature should never
exceed 177°C I350°F].
Heat the camshaft gear for non bolted 91 ’ camshafts in an oven at 149°C [300°F] for 45 minutes.
Heat the camshaft gear for bolted 91 ’ camshafts (steel gear) and all 94’ automotive to 177°C [350°F].
Wear protective gloves to handle the hot gear.
Install the camshaft gear with the timing marks away from the camshaft.
Be sure the gear is seated against cam shaft shoulder.
Using a .001 inch feeler gauge, check to see if the feeler gauge can be inserted between the camshaft gear and
the shoulder on the camshaft. If the feeler gauge can be inserted, the camshaft gear is not properly seated.
Bolted Camshafts (1991 engines equipped with an inline pump)
18 mm
27 N«m [20 ft-lb], then rotate the capscrew an additional 180 degrees.
Install camshaft. Refer to Procedure (7-96).
Install gear cover.
Install crank pulley.
Install fan pulley.
