GMC SAVANA OIL PAN PROBLEM
2001 GMC Savana • 130,000 miles
How to replaced oil pump
March 17, 2013.
March 17, 2013.
Oil Pan Replacement
1.Disconnect the battery negative cable.
2.Raise the vehicle. Refer to Vehicle Lifting.
3.Remove the oil pan drain plug and drain the engine oil into a suitable container.
4.Remove the oil filter.
5.Remove the oil filter adapter.
6.Remove the bolt holding the bracket for the starter wire and the transmission cooler pipes.
7.Remove the Crankcase Position (CKP) sensor wiring harness from the retainer.
8.Remove the starter.
9.Remove the transmission cover.
10.Remove the access plugs for the oil pan rear nuts.
11.Remove the transmission to oil pan bolts.
Important: The low oil level sensor is not reusable. Use a NEW low oil level sensor.
12.Remove and discard the engine oil level sensor (if applicable).
13.Remove the oil pan bolts and nuts.
14.Remove the oil pan.
15.Remove the oil pan gasket.
16.Discard the oil pan gasket.
17.Clean all sealing surfaces on the engine and the oil pan.
Notice: Any time the transmission and the engine oil pan are off of the engine at the same time, install the transmission before the oil pan. This is to allow for the proper oil pan alignment. Failure to achieve the correct oil pan alignment can result in transmission failure.
1.Apply a 5 mm (0.197 inch) wide and 25 mm (1.0 inch) long bead of adhesive GM P/N 12346141 or equivalent to both the right and left sides of the engine front cover to engine block junction at the oil pan sealing surfaces.
2.Apply a 5 mm (0.197 inch) wide and 25 mm (1.0 inch) long bead of adhesive GM P/N 12346141 or equivalent to both the right and left sides of the crankshaft rear oil seal housing to engine block junction at the oil pan sealing surfaces.
Important: Always install a NEW oil pan gasket. The oil pan gasket and oil pan must be installed and the fasteners tightened while the adhesive is still wet to the touch.
3.Install the NEW oil pan gasket into the groove in the oil pan.
Important: The oil pan alignment must always be flush or forward no more than 0.3 mm (0.011 inch) from the rear face of the engine block.
4.Install the oil pan onto the engine block. Press the oil pan gasket into the grooves of the engine front cover and crankshaft rear oil seal housing.
5.Slide the oil pan back against a suitable straight edge.
Notice: Refer to Fastener Notice in Service Precautions.
6.Install the oil pan bolts and nuts, but do not tighten.
7.Measure the pan-to-transmission housing clearance using a feeler gauge and a straight edge. Use a feeler gauge to check the clearance between the oil pan-to-transmission housing measurement points. If the clearance exceeds 0.3 mm (0.011 inch) at any of the 3 oil pan-to-transmission housing measurement points (1), then repeat the step until the oil pan-to-transmission housing clearance is within the specification. The oil pan must always be forward of the rear face of the engine block.
8.Tighten the oil pan bolts and nuts in sequence (L12).
•Tighten the oil pan bolts to 25 Nm (18 ft. lbs.) .
9.Measure the clearance between the 3 oil pan-to-transmission housing measurement points in order to ensure proper alignment.
10.Install a NEW oil pan drain plug seal (O-ring) onto the oil pan drain plug.
11.Install the oil pan drain plug into the oil pan.
•Tighten the oil pan drain plug to 25 Nm (18 ft. lbs.) .
12.Install the NEW engine on level sensor (if applicable).
•Tighten the engine oil level sensor to 13 Nm (115 inch lbs.) .
13.Install the transmission to oil pan bolts.
•Tighten the bolts to 47 Nm (35 ft. lbs.) .
14.Install the transmission cover.
•Tighten the transmission cover bolts to 12 Nm (106 inch lbs.) .
15.Install the access plugs for the oil pan rear nuts.
16.Install the starter motor.
17.Install the bolt holding the bracket for the starter wiring harness and the transmission cooler pipes.
•Tighten the bracket bolt to 9 Nm (80 inch lbs.) .
18.Install the CKP sensor wiring harness in the retainer.
19.Install the oil filter adapter.
20.Install the oil filter and the oil pan drain plug.
21.Lower the vehicle.
22.Fill the crankcase with engine oil.
23.Connect the battery negative cable,
1.Remove the engine oil pan.
2.Remove the oil pump bolt.
3.Remove the oil pump.
4.Inspect the pins (oil pump locator) for damage, and replace the pins if required.
5.Clean and inspect all parts.
Mar 17, 2013.
Mar 17, 2013.
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