Question about 1993 GMC Jimmy

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Trying to find diagrams on different 7.5 10 hole differential for 93 gmc jimmy and why they are different

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The baisc differences are ratio , locking or open carrier and drum or disc brake.There are two ratios that are common and that is 3:41 and 3:73 to one. 3:08 (smog/emissions) and 4:10(performance/off road) were rare.Most jimmys did not have a locking rear diff so i will not elaborate on this.The housing is the same for drum and disc brakes even though the hardware is different.

Posted on Mar 19, 2011


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93 jimmy voltage gauge stays pegged all the way up when running

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Had one 1993 jimmy, bearing ate into shaft. have a parts jimmy bought same model, color, everthing seems the same. when i went to change the differential the two were different. as long as i take out the...

I see a red flag here. If they don't look the same, they may have different gear ratios. This is critical in a 4 wheel drive. Front and rear gears have to match

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What happens if you have the key in the run position, you foot on the brake and you wiggle, pull, push the turn signal lever. Also try turning the hazards on and off slowly. All while keeping an eye on the brake lights to see if they come on momentarily.

I'm pretty sure the brake and turn signal share the same bulb If so we know that the bulb and the wiring from the switch to the bulb is fine. If there is power into and out of the brake switch than it is reasonable to assume that the problem is in between the brake switch and the turn signal switch if not the switch itself.

I’m happy to assist further over the phone at

Oct 19, 2010 | GMC Jimmy Cars & Trucks

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Where do you add the rear end fluid to a 2001 gmc Jimmy

On the Differential look at the rear of the Differential near the top and you will see a plug. You remove the plug and check the level by putting your finger into the hole. If the fluid touches the bottom of your finger it is at the proper level. If not, add fluid until it does.

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What type of gear oil does the front gear box take where the cv axle is connected in the 2000 jimmy awd?

2000 GMC TRUCKS SSERIES JIMMY 4.3L 6-cyl Engine Code [W]
Differential, Front......GL-5 All TEMPS......80W-90 Manufacturer recommends GM part no. 1052271 or equivalent Do not add limited slip additive.
Differential, With 7.25 RingGear Front..........1.2 liters
Differential, With 8.25 RingGear Front..........2 liters
Differential, With 9.25 RingGear Front..........2.8 liters

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Somebody needs a different transmission for their 99 jimmy. Will the one from my 93 jimmy be acceptable?

probably not. 93 was the change over year from vacuum operated to electronic.

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How do i check fluid in in rearend on a 1998 GMC jimmy

On most differentials, there is a plug. It will have a square recess in the plug. Using a 3/8" ratchet and extension, place the extension in the plug and turn counter-clockwise to remove. (No socket required, just the extension.)

On most vehicles, the oil should be just below the level of the hole. I have relatively small hands, I just use my little finger to check the level of oil.

In past, I always used 90 weight gear oil to bring level of, but depending on your differential, you may need a special oil. (My 2001 Tahoe with locking differential used a synthetic oil. The dimwits at the oil change place added regular 90 weight oil, even after I told them not to, had to have dealer drain, and replace.)

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1 Answer

Output shaft separated from output tube 93 Jimmy

You need to disassemble the front diff as there is a clip that holds the shaft in the housing. You should just be able to remove the housing if it is the right side, whole diff for the left side.

Jul 14, 2009 | 1993 GMC Jimmy

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