Crankshaft and Bearings Installation

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Crankshaft, Upper Bearings, Thrust Bearings & Pins

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The powertrain control module (PCM) must perform the idle learn procedure to determine the minimum throttle position and to establish idle speed when any of the following components are replaced:

Throttle body
Timing belt
Timing belt drive sprocket
Crankshaft and bearings

Refer to Idle Learn .

Select the proper size bearings. Refer to Main Bearing Selection in Crankshaft and Bearings Cleaning and Inspection .
Install the pins (107).
Lubricate the bearings (104 and 105) and crankshaft bearing surfaces with clean engine oil.
Install the upper bearings (105) to the block.
Install the crankshaft (102).

Fig 2: View Of Thrust Bearings

Courtesy of GENERAL MOTORS CORP.

Install the thrust bearings (104) to number 3 journal.

Fig 3: View Of Crankshaft Main Bearings & Caps

Courtesy of GENERAL MOTORS CORP.

Install the lower bearings (106) and bearing caps (103).

Fig 4: View Of Bearing Caps

Courtesy of GENERAL MOTORS CORP.

Install the bearing caps (103) with the alignment arrow facing the front of the engine.

Fig 5: Main Bearing Cap Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

Lubricate the bolt (108 and 109) threads and flanges with clean engine oil.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the bolts (108 and 109).
Tighten:
1. Tighten the bolts (109) in sequence to 74 N.m (54 lb ft).
2. Tighten the bolts (108) in sequence to 49 N.m (36 lb ft).
Measure the crankshaft end-play. Refer to Crankshaft and Bearings Cleaning and Inspection .