Water pump GRAF or OEM Volkswagen
Graf here. 15k miles/ 2 years, no problems.
I use on my 12v and 24v VR6 engines, Eurowise aluminum thermostat housing and 42DD stainless steel crack pipe. Water pump I use GRAF or Hepu for its metal impeller.
For me, the Golf is one of the best all-around vehicles on the market today, offering a very reasonable price point for its capabilities. I have taken my Rs to the track one day and then embarked on a 4,000 km road trip the next. I put over 100,000km on my first R (Mk7) in under a year. It saw the drag strip every Tuesday, AutoX events every Wednesday and Saturday, and HPDEs once a month. The only maintenance issues I had were a water pump replacement at 110,000km and a faulty driver's side window switch at 40,000km. Outside of that, the car didn\u2019t miss a beat.
If it *is* leaking you might want to consider replacing it with a Graf alloy-bodied pump which won’t be affected by heat and exposure to oil, the usual causes of eventual failure of the plastic pumps.
I had a 2012 VW CC EA888 that went through 3 water pumps in 10K miles. The latter two covered under the 1st’s repair warranty. The repair shop on the third one went with a non-OEM metal water pump instead of the OEM plastic variety. I paid the difference which was I think about $80 and that pump held.
I've had my 2010 GTI for about a year now. I've taken it from 103k to 109k, Only issues have been plastic hoses and the water pump. Other than that its been totally fine.
the metal fins are spot welded like shit on these cheap metal waterpumps. my graf pump also started to leak from the weep hole after a year too
Have had bad luck with graf metal impeller pumps, multiple failures over 2 different cars.
I have no idea how there isn't a class action against VW for those shoddy waterpumps tho. Had to do it on my one and literally every VW owner I've spoken to has had it be a problem
Well, all of these seals are not created equal in my experience. I have had a bad experience with some seal kits that had combustion chamber seals that were really hard so they didn't stretch evenly over the injector or compress properly with the proper tools. Luckily I was able to source some of the correct ones from a tech friend the same day, so I was able to get my car going. You really need to make sure that you have the right ones, as you have to destroy the old ones to remove them, and if the new ones aren't right, you are screwed. I personally won't recommend anything other than factory parts, as too many times I have tried something else, like Graf aluminum water pumps (two failures-100%, within six months) and gotten burned.
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