QU30120E 0.010″ 14 Bolt Individual Pinion Depth Shim. Order the exact, genuine original equipment Pinion Depth Shim(s) you need to achieve precise gear mesh for your AAM or GM 14 10-1/2″ ring gear, 14 Bolt full floating rear axle. Made in U.S.A. Individual GM Original Equipment Pinion Depth Shims. Sold Individually by Thickness.
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Dan the Gear Man® Tech Notes:
QU30120 Series
Shim Increments
Adjusting Pinion Shims
GM to AAM
Matching Parts
Applications
Tech Note 1: QU30120 Series
QU30120A 0.006″
QU30120B 0.007″
QU30120C 0.008″
QU30120D 0.009″
QU30120E 0.010″
QU30120F 0.011″
QU30120G 0.012″
QU30120H 0.013″
QU30120J 0.014″
QU30120K 0.015″
QU30120L 0.016″
QU30120M 0.017″
QU30120N 0.018″
QU30120P 0.019″
QU30120Q 0.020″
QU30120R 0.021″
QU30120S 0.022″
QU30120V 0.024″
Tech Note 2: Shim Increments
Individual Pinion Depth Shims are available in 0.001″ increments from 0.006″ to 0.024″ thick. Shims may stacked to achieve the correct pinion depth. Most of these original equipment Shims will be stamped with a number indicating the thickness in thousandths of an inch
Tech Note 3: Adjusting Pinion Shims
Unlike most light truck axles, the GM 14 Bolt pinion shims are used to adjust the pinion gear AWAY from the ring gear. With most other axles, the pinion depth shims move the pinion towards the ring gear
Tech Note 4: GM to AAM
In 1994, General Motors sold it’s axle division to a group of investors who renamed their new acquisition American Axle Manufacturing (AAM). The AAM 14 Bolt, 10-1/2″ Ring Gear full floater rear axle is what used to be called the as the Chevy or GM corporate 14 Bolt, 10-1/2″ Ring Gear full float rear axle
Tech Note 5: Matching Parts
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Tech Note 6: Applications
GM 14 Bolt 10.5″ Ring Gear Full Float Rear Axles
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