Push Rod Cover - Revised Removal Procedure

NUMBER: 86-B-88

GROUP: 6-Gasoline Engine

DATE: June, 1986
SUBJECT: NEW PUSH ROD COVER REMOVAL PROCEDURE

MODELS: 1985 AND 1986 S/T TRUCKS AND M VANS EQUIPPED WITH THE LN8 2.5L ENGINE
A new procedure has been developed to remove the push rod cover from 2.5L L4 engines without damaging the cover using components that already exist on the engine.

-Cover Removal, S/T Truck:

Removal S/T Truck

To remove the cover, unscrew the four nuts from the cover attaching studs (see Figure No. 1), reverse two of the nuts so the washers face outward and screw them back onto the inner two studs. Assemble the two remaining nuts to the same two inner studs with washers facing inward. Using a small wrench on the inner nut, on each stud, jam the two nuts tightly together. Again using the small wrench, on the inner nut, unscrew the studs until the cover breaks loose.

-COVER ASSEMBLY, M VAN:

Removal M Van To remove the cover, unscrew the two outboard nuts from the attaching studs. Loosen the two inboard nuts, install one hex nut (M6X1) on each of the two inboard studs, and jam the nuts together. Using a small wrench, on the inner nut, unscrew the studs until the cover breaks loose. After breaking the cover loose, remove the jammed nuts from each stud. Remove the cover from the studs. Examine the stud and rubber washer assembly and replace if either stud or washer is damaged. Reassemble the two studs (see Figure No. 2) to the middle two positions and torque to 10 N-m (90 in.lbs.). Use applicable labor operation number and labor time.