REMOVAL
- Remove the primary and secondary timing chains and sprockets. Refer to «CHAIN and SPROCKETS, Timing»(ref-350033-S34875746202009121400000) . NOTE: To remove the idler shaft, it is necessary to tap threads into the shaft, to install the removal tool.
- Using a 12 mm X 1.75 tap, cut threads in the idler shaft center bore.
- Cover the radiator core with a suitable cover. CAUTION: Use care when removing the idler shaft, Do not strike the radiator cooling fins with the slide hammer.
- Using Slide Hammer 8517 remove the idler shaft.
INSTALLATION
- Thoroughly clean the idler shaft bore.
- Position the idler shaft in the bore. NOTE: The two lubrication holes in the idler shaft do not require any special alignment. NOTE: Before using the retaining bolt to install the idler shaft, coat the threads and the pilot on the idler shaft, with clean engine oil.
- Using the primary idler sprocket retaining bolt and washer, carefully draw the idler shaft into the bore until fully seated.
- Coat the idler shaft with clean engine oil.
- Install the timing chains and sprockets. Refer to «Engine/Valve Timing/CHAIN and SPROCKETS, Timing - Installation»(ref-350033-S36562514712009121400000) .