Oil Leak From Distributor Shaft Seal on GMC 2500 Pickup

Problem Description and Possible Solution

An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.

Problem Data
RepairPal Verified
Average mileage: (–)
6 model years affected: 1990, 1991, 1992, 1993, more1994, 1995
6 people reported this problem