General Information
Some engines are built with a camshaft bushing installed in the first camshaft bore only, on the same end of the
engine that the camshaft is removed and installed (front gear train engines, at the front of the engine and rear gear
trains, at the rear of the engine). Some engines also have a second camshaft bushing at the opposite end of the
engine from which the camshaft is removed and installed.
From production, there are no camshaft bushings installed in the inner block camshaft journal bores. If the
inner block camshaft journal bores are damaged, the journal bores can be machined for camshaft bushings.
Install
Mark the camshaft bushing and cylinder block so for aid in alignment of the lubricating oil hole in the cylinder block
with the large lubricating oil hole in the bushing.
Slide the camshaft bushing on the replacer tool. Align the marks on the camshaft bushing and the cylinder block.
Drive the camshaft bushing to the correct installed depth.
The correct installed depth is when the camshaft bushing end is flush with the machined face of the block and the
oil hole aligns with the cylinder block oil hole.
Be sure the large lubricating oil hole is aligned.
A 3.2 mm [0.128 in] diameter rod must be able to pass through the lubricating oil hole.
