Camshaft Bearing RemovalTools Required
Camshaft Bearing Service Set
A loose camshaft bearing may be caused by an enlarged, out of round or
damaged engine block bearing bore.
- Prior to bearing removal, inspect the camshaft bearings for loose
fit in the engine block bearing bores. Refer to Camshaft
and Bearings Cleaning and Inspection .
- Repair or replace the components as required.
- Select the expanding driver (4-8) and
washer (2 or 3) from the tool usage information.
- Assemble the J 33049 .
- Insert the tool through the front of the engine block and into the
- Tighten the expander assembly (15) nut until snug.
- Push the guide cone (1) into the front camshaft bearing to
align the tool.
- Drive the bearing from the block bore.
To remove the front camshaft bearing, operate the tool from the rear of the
block using the guide cone in the rear camshaft bearing bore.
- Repeat the above procedures to remove the remaining bearings.
- Select the proper expanding driver and washer from the expanding
driver and washer information.
- Place the expanding driver onto the expander assembly.
- Check to ensure that the separation lines between the segments of
the expanding driver align with the separation lines of the expander assembly.
- Place the guide cone over the driving bar, with the small end of
the cone facing the driver assembly.
- Place the driving washer over the threaded portion of the expander
- Screw the expander assembly, with driving washer, onto the driving
bar. It may be necessary to install the driver bar extension for removal of
the inner bearings.
- Insert the tool into a inner camshaft bearing and tighten until
snug. Operate the tool from the front or rear of the engine block. On some
engine blocks, the nut on the expander assembly is inaccessible except from
either end. In this case you must use a socket and extension to enlarge and
reduce the expander assembly.
- Slide the nylon cone into the front or rear camshaft bearing. This
will properly align the tool.
- Drive the bearing out of or into the engine block.
- Repeat the procedure for the additional inner bearings.
- For the 2 end bearings, front and rear, remove the nylon cone
and driver bar extension.
- Drive the bearings out of or into the engine block.