V 20 P/U 4WD V6-262 4.3L (1987)
Engine oiling system. V8-454
Engine oiling system. V6-231
V6-229, 262, V8-267, 305, 350 & 400
1985---87
Late production 1985 and all 1986---87 models with V6-262 engines are equipped with a one-piece oil pan gasket that replaces the four-piece gasket
previously used. The one-piece gasket (P/N14081222) can be installed on all V6-262 engines and should be used during installation whenever the oil
pan is removed.
Series 10---30/1500---3500
1.
Disconnect battery ground cable and drain oil pan.
2.
Raise and support vehicle, then remove exhaust crossover pipe.