Astro Van L AWD V6-262 4.3L VIN Z (1994)
Rocker Arm Assembly: Service and Repair
Rocker Arm Studs Replace
Rocker arm studs that have damaged threads or are loose in cylinder head should be replaced with oversize studs. Studs are available in oversizes of
0.003 and 0.013 inch and can be installed after reaming holes as follows:
1. Remove stud using stud remover tool No. J-5802-01, or equivalent, with a nut and flat washer placed over the tool.
2. Ream hole for oversize stud using reamer tool No. J-5715, or equivalent, for 0.003 inch oversize or tool No. J-6036, or equivalent, for 0.013 inch
oversize.
3. Apply hypoid axle lubricant to press fit area of stud, then install new stud using stud installer tool No. J-6880, or equivalent.
