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Need to find gear ratio on 2000 chevy blazer - 2000 Chevrolet Blazer

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If you want to find the ratio then you can remove the rear differential cover and spin the wheels by hand to turn the gears and find the number on the carrier gear. The numbers will be what you need to tell what the ratio is.

Posted on Nov 05, 2010


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How do you figure out the gear ratio on a 1972 chevy blazer. the crown gear has 41 teeth

if the ring has 41 and the pinion has 10 divide 41 into 10 = 4.10 so take and divide the higher tooth count and divide by lower tooth count another Example 44 Into 12 = 3.41 Ratio good luck

Aug 17, 2011 | Chevrolet Blazer Cars & Trucks

1 Answer

Need the ratio for rear differential on a 99 chevy blazer 4 wheel drive serial #1 1GNDT13W2X2132102

climb under the truck and on one of the bolts of the rear end pumpin( the round part in center of rear end where the gears ar ) there will be a metal tag with the ratio on it.

Jan 10, 2011 | 2000 Chevrolet Blazer

1 Answer

Hey will a 91 chevy blazer differential work for a 2000 chevy blazer

The differential will work ONLY if, obviously, it will fit, AND you NEED to make sure the gear ratio is the same. I'm not familiar with these types, but it will work fine assuming the gear ratio is the same.
If not, the differential you have replaced will try turning the wheels faster then the other one and this creates nothing but a big mess.

I hope this helps!

Jan 07, 2011 | 2000 Chevrolet Blazer

1 Answer

What is the rear wheel bearing gear ratio for a 2001 Chevy Blazer 4WD - 2 door?

I think you mean the rear end ratio. there is no gear ratio for the wheel bearing. If you look at the factory sticker on the drivers door, there will be an "axle code". write that down and then look here for the ratio.

Jan 05, 2011 | 2001 Chevrolet Blazer

1 Answer

I have a 97 chevy blazer and cant find the front diff gear ratio

The differential ratio is stamped in code on the door post or the engine comp. Not the VIN, but the body, paint code. Tells you what motor, transmission, paint color, differential, you also have a build sheet stuck up under the seat, or behind the seat, it has everything in the car on it. All chevys have them. I just read that it is pasted on the glove box door, and here is the web site that talks about it.
Hope this helps.

Aug 30, 2010 | 1997 Chevrolet Blazer

1 Answer

Where do I find the gear ratio for the rear diffI I have a 2000 blazer ls 4 door 4x4

Lower down this page is a chart with RPO codes, which can potentially be found inside the glove box...
The codes pertain to the transfer case, the front differential, and the rear differential, so it may take a bit of snooping.

However, if you were merely looking for the driving-gear-ratios, here's a page containing that kind of information for a 2000 4wd ls blazer:

Nov 29, 2009 | 2000 Chevrolet Blazer

1 Answer

The rear went out in my SUV and I need to know the gear ratio. I have another rear but need to know if it will work.

Hold one wheel. mark the other wheel. Turn the unlocked wheel two complete revolutions. Count the number of turns the yoke make in two revolutions of the unlocked wheel. 3 1/2 turns= 3.42 3 3/4 turns 3.73 and so on

May 15, 2009 | 2000 GMC Jimmy

1 Answer

I was just wondering if my 2001 chevy blazer has a rear lockin differental??

They were an option but you can find out by looking in your glove box's GM RPO Codes. It's the sicker on the inside of the glove box with numbers and letter.
Here are some listing on the gear ratio you may have,
U4: Rear Axle, 3.08 Ratio             U5: Rear Axle, 3.23 Ratio U6: Rear Axle, 3.42 Ratio 
If it is a GU the G stands for the rear Locking Differential.
Good luck and hope this helps.

May 04, 2009 | 2001 Chevrolet Blazer

1 Answer

Rear diffential noise when accelerating

Unless you are experienced in diff gear setup, this is not a job for a do-it yourselfer. You need a torque wrench , dial indicators and experience to set a diff up properly...If not, you will waste your money!!! Usually cheaper and easier to swap complete units, drum to drum...then all you need is to determine exact ratio of the front unit and match it. (ring gear teeth divided by pinion tooth count= ratio )
You may not like my answer, but I'm trying to save you time and aggravation and $.!!!!
good luck

Apr 04, 2009 | 2000 Chevrolet Blazer

3 Answers

Will transmission from blazer 93 fit to blazer 95

Yes it will run, if it is identical as you told us, and you will have no problem with the safety switch, your only concern now should be the gear ratio of the 93 chevy Blazer.

Dec 01, 2008 | 1995 Chevrolet Blazer

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