S15/T15 2WD P/U V6-262 4.3L (1988)
Rocker Arm Assembly: Service and Repair
Rocker Arm Studs Replace
Fig. 10 Rocker Arm Stud Removal
Fig. 11 Reaming Of Rocker Arm Stud Bore
Fig. 12 Installing Rocker Arm Stud
Rocker arm studs that have damaged threads or are loose should be replaced with oversize studs. Oversize studs are available in .003 and .013 inch
and can be installed after properly reaming the holes as follows:
1.
Remove stud using stud reamer tool No. J-5802-01, Fig. 10 or equivalent with a nut and flat washer placed over the tool.
2.
Ream hole to proper size using reamer tool No. J-5715, Fig. 11 for .003 inch oversize or reamer tool No. J-6036 for .013 inch oversize. Do not
install oversize stud without reaming hole since cylinder head damage could occur.
3.
Apply axle lubricant to press fit area of stud and install using stud installer tool No. J-6880 or equivalent, Fig. 12.
