1998 yukon relays - 1998 GMC Yukon

In the engine compartment fuse box, it's the one labeled LIGHTING

yes
the housings will be the same
clue here --if the diff center comes into the housing from the front not a problem
if it comes in from the rear ( tin cover removed ) replace the complete housing as you will have to have expertise in resetting the bearing pre-loads for the diff center bearings

Hi Rodney, sorry but you have to bite the bullet and replace your head gaskets and don't forget to machine your heads, P,S. a hydrolock lock can bend con rods and break pistons

Hi there:
Spark plugs that you buy, should be pre-gapped for this application... 0.60 is the factory gap



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V8 engine? That would be drivers side front. Remember that TDC is number one piston up (On the compression stroke, not exhaust stroke), timing marks at zero.

You may need to replace the auto headlight switch.

Look for bad wires. There may also be a bad door module. Most don't have relays anymore, just modules.

Change mass air flow sensor.

did you check the fuel pump relay? often times this get's weak with time and when it goes bad you wont get fuel. it's located in the junction box under the hood. i just take the relay from the a/c clutch to check it. this should solve it. please rate this