Quote:
Originally Posted by Toyota86.ir
I swapped to Final Drive 4.88 and now the car not passed 100miles ,
diff assembled very good and I hear no noise in straight line but in sharp turning at very very low speed (strating to drive from 0km/h) i hear bad knocking noise , lap lap lap lap lap ...
my car has LSD and need LSD additive in gear oil , i use addinol diff oil that has no LSD additive.
My car idle rpm increased to 1100rpm by my tuner (moto-mike) and the output torque of my car (stage 2 NA) is 15% higher than stock brz .
any idea for removing the noise?
Diff assembly adjustment ranges:
2 N.M torque in pinion preload (toyota service manual recommend 1-2 N.M range)
0.00430 in. Backlash (Toyota service manual recommend 0.00512 in. - 0.00708 in. Range)
The tooth pattern is so good in the range.
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There is your problem. Get the right fluid in there quickly, or risk needing a new LSD.