M11 Series – Service Manual – 001-010   Camshaft Bushings

Remove the gear cover.

Refer to Procedure 001-031.

Remove the cylinder head.

Refer to Procedure 002-004.

Remove the cam followers.

Refer to Procedure 004-001.

Remove the camshaft.

Refer to Procedure 001-008.

Use Part No. 3376637, camshaft bushing driver and Part No. 3367636 Driver, or Part No. 3823642, hydraulic cam bushing tool, and Part No. 3823621 hydraulic actuator kit to remove the camshaft bushings.

Remove bushing number one first.

Remove the remaining six bushings in order from front to rear.

Use Scotch-Brite® 7448, Part No. 3823258; or equivalent, to remove burrs and clean the bushing bores.

Measure the cylinder block camshaft bore inside diameter.

Starting with number seven bushing, install the camshaft bushings in
order from rear to front.

NOTE: The oil hole (1) in the bushing

must be at the three o’clock
location when viewed from the front of the engine.

Number Seven Bushing – Installation

Install guide (2), Part No. 3376069, between the number six and number
five bores.

Install a new bushing (3) on driver, Part No. 3376070, with the oil
hole (4) at the

3 o’clock location when viewed from the front
of the engine.

Drive the bushing into the bore.

CAUTION  The bushing oil groove must be visible in both cylinder block oil drillings (5 and 6) to prevent engine damage. The oil drillings are not in alignment with each other.

Inspect the bushing oil groove alignment with the two oil drillings
in the block as the bushing is installed.

Number Six Through Number Two Bushings – Installation

Use the same procedure to install the number six through number two
bushings.

Install the guide (2) in the correct location.

Install the bushing on the driver with the oil hole at the 3 o’clock
location when viewed from the front of the engine.

Drive in the bushing.

Remove the cam follower studs.

Refer to Procedure 004-001.

CAUTION  The oil groove must be visible through the cam follower stud holes (7). If the oil groove is not aligned, engine damage will occur.

Inspect the location of the camshaft bushing oil groove.

Number One Bushing – Installation

Install a new bushing on driver, Part No 3376070, with the oil hole
(1) at the 3 o’clock location when viewed from the front of the engine.

NOTE: The guide is

not used to install this bushing.

Drive the bushing into the bore.

Measure the camshaft bushing-installed inside diameter.

Install the camshaft.

Refer to Procedure 001-008.

Install the cam follower studs and cam followers. Refer to Procedure

004-001.

Install the cylinder head.

Refer to Procedure 002-004.

Install the gear cover.

Refer to Procedure 001-031.

Operate the engine to normal operating temperature and check for leaks.