Question about 1989 GMC S-15 Jimmy
I need to know what the ignition timing should be on this motor, please.
2.5, 2 wheel drive, manual tranny.
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Posted on Jan 02, 2017
All the rear ends from that model run should fit size wise, and probably older as well as newer body styles. To be sure take a measurement from backing plate to backing plate to be sure. Also measure between your spring brackets. This has to be the same on you replacement rear end unless your are good at cutting and welding. Be sure you have the exact same gear ratio in the new rear end as the old. If the aluminum tag is missing, to be sure you will have to remove the cover and count the teeth on the crown gear and the pinion.This has to be exactly the same as the one you take out or you will need both rear ends in a 4x4. Most scrap yards stock rear ends by gear ratios, not dimensions. Hop this helps.
Posted on Jun 10, 2009
SOURCE: I need a service manual
Copy and paste that in your browser. Or go to ebay and type in 1989 ford f-150 repair manual. Or go to Autozone and sometimes they have it.
Posted on Sep 04, 2010
SOURCE: where is the fuel filter
I have 2 1989 GMC S-15 trucks (actually one of them i bought for my daughter). Anyway, the 2.5 four cylinder one has the fuel filter on the firewall between the brake master cylinder and the engine. The other one is a 4.3 six cylinder and the fuel filter is on the inside of the frame rail on the driver's side, kind of under the cab near the fuel tank. Hope this helps.
Posted on Oct 20, 2010
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