Camshaft Bearing Installation

Tools Required 

J 33049  Camshaft Bearing Service Set

Fig 1: Identifying Engine Block Camshaft Bearing Bores
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: The engine block camshaft bearing bores are machined for 3 different OD size bearings. Positions 1 and 5 are the largest diameter bores. Position 3 is the smallest diameter bore. Positions 2 and 4 are the intermediate size bores. The ID for all camshaft bearings is the same size.
1. Measure the engine block camshaft bearing bores (1-5) to identify the correct OD size bearing for each position. Refer to Engine Mechanical Specifications (LS1) or Engine Mechanical Specifications (LS6) .
Fig 2: View Of J 33049 Camshaft Bearing Service Kit Components
Courtesy of GENERAL MOTORS CORP.
2. Select the expanding driver (4-8) and washer (2 or 3) from the J 33049  . Refer to Camshaft Bearing Removal .
3. Assemble the tool.
Fig 3: Driving Bearing From/Into Block Bore
Courtesy of GENERAL MOTORS CORP.
4. Insert the tool through the front of the engine block and into the bearing.
5. Tighten the expander assembly nut until snug.
6. Push the guide cone into the front camshaft bearing to align the tool.
7. Drive the bearing into the block bore.
8. Repeat the above procedures to install the remaining bearings.