Thread: Life of Puma Rear Diff's

Originally Posted by PAT303

All they need is to have the backlash set-up correctly,do that and they are fine.

Pat, how does one do that?

Diff shop,they do it day in day out. Pat

Southern Land Rover, Perth did mine.
There was a minor recall on a seal and when I got it back, the worksheet showed that they tested and adjusted the backlash and prop shaft play. Been absolutely great since and I’ve twice now done the Karratha-Perth-Karratha trip (3000km) at max comfortable speed and ambient temperatures that exceed what 95% of Defenders will ever experience. On top of that we are out most weekends rock and boulder climbing with no issues...

My rear diff has a slight wine around 70-80kmh but is silent on over run. It's always had the Puma clang though. After my last trip away I noticed the pinion oil seal leaking. I changed the seal and used Loctite on the splines when I re assembled it. It's not the same vehicle, no clang in the transmission at all. I also changed the oil to Nelon 90 Limited slip.


Allan

Originally Posted by Allan

My rear diff has a slight wine around 70-80kmh but is silent on over run. It's always had the Puma clang though. After my last trip away I noticed the pinion oil seal leaking. I changed the seal and used Loctite on the splines when I re assembled it. It's not the same vehicle, no clang in the transmission at all. I also changed the oil to Nelon 90 Limited slip.

Hi Allan

Which number Loctite, did you use please?
.

Originally Posted by wrinklearthur

Hi Allan

Which number Loctite, did you use please?
.

I used Permatex Threadlocker Red. Got it at Supe Cheap.

Allan

Originally Posted by wrinklearthur

Hi Allan

Which number Loctite, did you use please?
.

Originally Posted by Allan

I used Permatex Threadlocker Red. Got it at Supe Cheap.

Allan

All Loctites seal pretty well but I wonder if 510 or 518 gasket maker would be better there ?

They are an anaerobic sealant that I've used for the last twenty years on flanges, etc. and work really well without the potential removal issues of threadlocker.

Originally Posted by Loubrey

Southern Land Rover, Perth did mine.
There was a minor recall on a seal and when I got it back, the worksheet showed that they tested and adjusted the backlash and prop shaft play. Been absolutely great since and I’ve twice now done the Karratha-Perth-Karratha trip (3000km) at max comfortable speed and ambient temperatures that exceed what 95% of Defenders will ever experience. On top of that we are out most weekends rock and boulder climbing with no issues...

My Tdi and Puma are the same.High temps,fast dirt roads,no worries. Pat