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Upper rear differential bushing


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So I had a bad clunking going in and out of 4WD. Tracked it down to a toasted upper differential bushing. I could lift the differential by hand.

Subaru part is NLA, but Superpro makes a replacement SPF3005K.

Tools needed are:

  • 17MM
  • 21MM
  • Milk crate to set the diff on
  • Hack saw
  • Somewhat of pressing the new bushing in.
  • Some way of lifting the car

I backed it up on some 6x6 to get enough room.

20200929_134519.thumb.jpg.5538dad99cbb39516249133b48020790.jpg

I couldn't press the old outer because I lacked the correct die. So I ended up cutting a slice out with a hacksaw.

20200929_123004.thumb.jpg.756cf589d8068f14f724b5be575d5814.jpg

I used a bolt and some washers to press the new one in.

20200929_131133.thumb.jpg.84752076c09aa74c1620bf49c2e4de89.jpg

 

So I took it for a test drive, and it was so smooth going into 4WD I though it wasn't working. Push the button and let off the throttle at any speed and you can't feel a thing. Same goes for disengaging.

Edited by Ionstorm66
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