I have been running the Graf AL pump for about 10k so not long enough to give a full assessment, but the quality was awesome and very pleased with it.
Graf does make an AL housing pump which I used this last time. Time will tell if it holds up better the the Rein plastic AM one installed in the CC.
Had a better look during weekend and the "substance" in the expansion tank looks and feels like rust particles not oil. It does not feel slick. I'll be replacing the pump with the aluminum Graf unit soon, hoping I'll last more than 100k at least.
I ordered the Graf aluminum water pump kit from ECS Tuning and did the job this past weekend. I'm glad I took the intake manifold off. I did some carbon cleaning while I was in there, I was surprised to see how much build up was in there for a 70K engine. I don't really see how I could have replaced the pump without removing the intake manifold
I went to the dealer and after a long discussion about plastic vs metal impellers (they thought the VW branded pump was metal) a nice gentleman at the dealer ordered me a Graf branded aftermarket pump for $100 Canadian all-in.
I think I'll just grab a GRAF 30mm unit and compare unless someone has good info on brand quality/fitment.
I have a 2021 BS BB and I’m on my 3rd water pump replacement. 1st one around 20k miles, 2nd at 40k, now at the dealer with 51k miles and replacing it yet again.
Yeah... That Graf pump did not work out... Had to remove Graf pump and get the proper pump from local VW dealer.
I had a Graf pump as well and it blew up less than a year later, literally the shaft blew off while I was in traffic.
I replaced the water pump in 3/2021. By 2/2022, it started leaking, so I replaced it under warranty. It leaked again in 1/2023, leading to a 3rd replacement. Now, one month in, the new pump is already leaking, this is driving me insane. This will be my 4th replacement in the last 3 yrs! These are GRAF PUMPS.
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