I've also got a bad water pump.
Pros: diagnosed bad water pump
Vehicle:
Toyota 4runner
Owner reviews for water pump
Manufacturers
Comparisons
Get a new WP with metal impeller, Hepu, Graf.
Pros: metal impeller
Cons: worn seal
Any replacement whether it br Graf or Hepu are going to have a metal impeller and be an exact factory replacement. The wheel itself will be identical in shape and circulate the same volume of coolant.
Pros: exact factory replacement
Just to let everyone know, it did indeed turn out to be a defective O-Ring on the Graf water pump I installed a couple of months ago.
Pros: running fine now
Cons: defective O-Ring
Vehicle:
Volkswagen Jetta
all graf water pumps with metal impellers are tested and balanced before packaged so why would there be any reason not to buy them ?
Pros: tested and balanced
Thank you for this write-up. I just did mine last night and it appears that all is well. I got my water pump from MJMautohaus.com. I got the metal impeller model made by Meyle pn:022121011MY.
Pros: metal impeller model
Part number: 022121011MY
If your water pump is shot or going you will notice that your car is going to run hotter than ever. If you continuously see that you are overheating this could be the result of a bad water pump. I had to replace my water pump @ 25K when the original pump was removed the plastic impeller inside came out in about 4 pieces. It was completly fubar..
Pros: car runs hotter
Cons: plastic impeller broke
Mileage: 25000 km
They also mentioned that the waterpump is leaking really bad and is shot and needs to be replaced.
Cons: leaking really bad, shot
After researching I decided upon a Saleri pump from World Impex since it has the resin impeller and is 1/4 the cost of OEM. Well, the first one arrived with one of the vanes broken off the impeller. Impex rma'd it, but the second one arrived in even worse shape with a big chunk broken off the impeller. I attribute it to poor packaging.
Pros: 1/4 the cost of OEM
Cons: vanes broken off
The stock pump failed back in Feb 2010, so i ordered a GRAF pump with metal impeller from ECS Tuning. Purchase was made on 1/27/10, parts got here on 2/03/10, and I installed pump late Feb 2010. Mileage was 127,257 when pump, timing belt, tensioner were done. In the middle of 2010, a loud grinding started at the front passenger side of the engine. I took everything apart and found the water pump with bearing grease or some waxy chunky crap all over the outside of it and on the inside of the timing belt cover like it splattered, and the pump leaking from the shaft. Car now has 135,362 miles on it, so thats complete pump failure within 8,069 miles.
Cons: pump failure within 8,069 miles
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