Chevrolet 24251671 Transfer Case Assembly (Code Pm)

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Many a mechanic has found himself gettin' real Leisure doe and doe with overhaul of a transfer case for it involves actual dismantling of many a small parts with differ sharply from those which are used by the manufacturer to assemble the case in the first place, for the required splines are all over the place and the clearances may need adjustment using select-fit spacers and snap-rings. For the do-it-yourselfer, the transfer case can usually be removed and installed by the average person although the overhaul is left to a transmission repair shop since the time and cost rate of overhaul usually exceed that of rebuilt transfer case which can be sourced from the dealer parts departments or auto parts stores. Nevertheless, even a naive auto mechanic shall be capable of rebuffing the transfer case to norm if it is armed with appropriate special gear and approaches the business systematically and carefully to sidestep omitting something. It automatically utilizes internal and external snap-ring pliers, bearing puller, slide hammer, set of pin punches, a dial indicator and hydraulic press if available and a good workbench and a vise or transmission chocks. Owners should observe and document where the components fit so that he or she might be in a position to recall during the reassembly process. Knowledge about a malfunctioning area within the transfer case also helps in determining certain issues; component analysis and subsequent replacement is easier.

The time and cost involved in overhauling a transfer case often exceed that of a rebuilt unit, which may be available through dealer parts departments and auto parts stores.

Free the wiring harnesses and fuel lines from the retainers on the transfer case, ensuring to disconnect any post-converter oxygen sensor harness if applicable.

Raise the vehicle and support it securely on jackstands.