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Ask Don 'Mo Lurch' Your Own Que...
Don 'Mo Lurch'
Don 'Mo Lurch', Auto Mech / Electronics
Category: Chevy
Satisfied Customers: 20958
Experience:  Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.
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chevy s10 how do ifin out rear end ratio of pickup truck from

Customer Question

how do ifin out rear end ratio of pickup truck from vin number
Submitted: 6 years ago.
Category: Chevy
Expert:  Don 'Mo Lurch' replied 6 years ago.


V.I.N. will not have that info.......
You need to climb under Truck & look at Rear Axle Housing Numbers:


All rear axles are identified by a broadcast code on the right axle tube near the carrier. The rear axle identification and manufacturer's codes must be known before attempting to adjust or to repair axle shafts or the rear axle case assembly. Rear axle ratio, differential type, manufacturer, and build date information is stamped on the right axle tube on the forward side.

The first three characters (1) indicate the rear axle ratio.
The next character (2) indicates the axle assembly build source code. C = Buffalo
K = Canada

The next three characters (3) indicate the day built, displayed in Julian Date form.
The last character (4) indicates the shift. 1 = First
2 = Second
In order to verify reports made on rear axle assemblies, include full code letters and build date numbers.




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