Can you over tighten a pinion nut?
Once you crush a crush sleeve, you cannot “uncrush it”. If you overtighten the pinion nut, you need to remove the pinion and replace the crush sleeve.
How do you tighten a pinion bolt?
With the rear wheels off the ground tighten the nut up snug but don’t over do it. Put the torque wrench on the nut and apply force it like you are tightening the nut and note the reading as the pinion is rotating. The normal process is to check-tighten-check-tighten and so on until the preload spec is reached.
Is it possible to turn a pinion nut too tight?
In a pinch a pipe wrench will work, but is not recommended. Be careful a quarter turn past optimum is way too tight. You only want 12-20 in. lbs of torque on the free spinning pinion. If you go too tight, the only thing to do is take it apart and crush a new sleeve.
How do you check the tightness of a bolt?
Marked fastener method: Marking the position of the bolt/nut relative to the joint, untightening it by an angle of approximately 30 degrees, then measuring the torque needed to tighten the bolt back to the marked position. Each of these three methods have their deficiencies.
How is heat tightening used to tighten fasteners?
Heat tightening utilises the thermal expansion characteristics of the bolt. The bolt is heated and expands: the nut is indexed (using the angle of turn method) and the system allowed to cool. As the bolt attempts to contract it is constrained longitudinally by the clamped material and a preload results.
What kind of tensioning tools does boltight use?
Boltight has been at the forefront of hydraulic bolt tensioning for over a decade. Our tensioning tools provide fast, accurate and safe solutions to tighten and loosen multiple bolts simultaneously. Segments Products Technology
In a pinch a pipe wrench will work, but is not recommended. Be careful a quarter turn past optimum is way too tight. You only want 12-20 in. lbs of torque on the free spinning pinion. If you go too tight, the only thing to do is take it apart and crush a new sleeve.
How can I tighten the rack and pinion?
Is there any way to take the slop out of the rack and Pinion, everything is brand new! Teleflex. Make sure the cable is clamped tight to the steering tube. Look at the jacket of the cable where it clamps to the steering tube. When you move the nozzle back and forth, it should not move back and forth.
What should the preload be on a pinion nut?
It can be difficult to hold the pinion while you apply this much torque to the nut. I would guess that you didn’t crush the spacer enough to get the proper bearing preload. The bearing preload should be around 19 inch pounds. You will have to remove the differential to measure the bearing prelaod.
How much torque does a 12 bolt pinion nut have?
BTW – just a thought – would it make sense to get a solid spacer and shim kit, and just pull out the crush sleeve, and replace it with a spacer, and shim it until I get the proper bearing preload with the requisite 125-150 ft-lbs of torque on the pinion nut?