Complete rebuild 4 your Secondary Air Pump!
#1
Complete rebuild 4 your Secondary Air Pump!
Stole this from the BMW Forum Volvo and Bmw Pierburg pumps are nearly identical to Rover pumps. This guy details complete rebuild with pictures, enjoy fellas! Here is a link...
http://www.bimmerfest.com/forums/sho....php?p=3961506
Ernie
http://www.bimmerfest.com/forums/sho....php?p=3961506
Ernie
The following 4 users liked this post by isofast:
Crisis In My Nomex (03-13-2017),
DustyLBottoms (04-16-2015),
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#4
#5
I took my sai pump to bits with the intention of maybe replacing the bearings.
There is a point in the strip down that needs a very specific puller manufacturing which I wasn't able to do with a reasonably extensive set of tools. A small lathe would make it possible to make the needed part, but with average hand tools, drills, vice, welder etc I couldn't see a way.
Would love it if someone managed it as that unit seems liable to howling on a lot of vehicles. And they arnt cheap to replace.
There is a point in the strip down that needs a very specific puller manufacturing which I wasn't able to do with a reasonably extensive set of tools. A small lathe would make it possible to make the needed part, but with average hand tools, drills, vice, welder etc I couldn't see a way.
Would love it if someone managed it as that unit seems liable to howling on a lot of vehicles. And they arnt cheap to replace.
#6
#8
I know this is a very old thread. But here is a bit more info. I just complete the repair, the pump is almost the same as the volvo unit. However it only has one bearing on the non-electrical end of the motor. Where he manufactures a puller here I used a simple 2-jaw puller that I ground off to fit in the small lip, the rest is the same as he shows. It took about 1.5hr total so it was very much worth it I think. The bearing is a 626 and it costs $13. Beats a new pump.
#9
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