Description
QU50746 Pinion Crush Sleeve for Dodge AAM 10-1/2" Rear Axle is a genuine original equipment Collapsible Spacer or Crush Sleeve for 2003 and newer Dodge Ram 2500 models with American Axle Manufacturing (AAM) 14 Bolt 10.5" rear axles. The Crush Sleeve, which is also known as the Collapsible Pinion Spacer, controls the pinion bearing preload you set when you properly tighten the pinion nut. This is a use once and discard part, NEVER reuse a Crush Sleeve!
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Dan the Gear Man® Tech Notes:
Replaces
Installing
Matching Parts
Applications
Tech Note 1: Replaces
QU50746 replaces QU10869.
Tech Note 2: Installing
The initial overall length of this spacer is greater than the normal separation distance between the outer pinion bearing and pinion shoulder. As you tighten your pinion nut against the yoke, you will push the outer bearing against this Spacer. At that point the nut will seem tight but your pinion will still be loose. You now must increase the torque applied to the nut by a substantial margin to initiate the compression of the spacer. Once it starts to compress, the required torque needed to continue tightening the nut will still be high, but reduced from the amount needed to start compression. As the Spacer collapses, your pinion end play will gradually disappear. When all end-play is gone, you have to be very careful as it will only take a small movement of the nut to go from too loose to too tight. If you over tighten the nut, you MUST get a new spacer and start over!!! Never back off the nut to try and reduce the rotating preload of the pinion!!!!
Tech Note 3: Matching Parts
Matching Parts for QU50746 Pinion Crush Sleeve:
QU10868 Pinion Seal for Dodge AAM 1050 and 1150 Rear Axles
QU10877 Pinion Nut
QU10876 Pinion Washer
Applications
Dodge:
Ram 2500 with AAM 14 Bolt 10.5" Rear Axles: 2003-up
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