Use the feeler gage to check the clearance at the oil pan-to-transmission housing
measurement points (1). If the clearance exceeds 0.3 mm (0.011 in) at any of the oil pan-to-
transmission housing measurement points (1), then repeat the step until the oil pan-to-
transmission housing clearance is within specifications. The oil pan must always be forward
of the rear face of the engine block.
Fig. 275: Oil Pan Bolts & Nuts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
8. Tighten the oil pan bolts and nuts in the sequence shown.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado