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Car Forum / Volvo Cars / January 2008Continuously Leaking Water Pump on 740 GL
Hi all, Well I put on a new waterpump last year after noticing it was leaking when I bought my 1990 740 GL wagon. After a few months I noticed it was leaking again. Took it to a Volvo mechanic (in fact, ONLY works on Volvos) and he repaired it. Looked good and tight. Drove maybe six months and now I see it is leaking again!! What gives? Is their some type of factory design flaw here or what? Thanks for any help/advive. jimmy Where is it / was it leaking from? Same spot each time? > Where is it / was it leaking from? > > Same spot each time? Yes, it seems to leak from where the top gasket fits on (you know, where they tell you to "put a lot of pressure on" when tightening it up or it will leak ;-) I can see where I might have not tightened it properly, but I can't believe my mechanic (who is a guru, and many other folks agree so) can't get it either... Btw, I moved 5 states away or I would just take it back to him again and let him give it another shot. Anyone know of a good Volvo mechanic in Rochester, MN? thanks, jimmy On Jan 5, 2:02 pm, "Mr. V" <allagosh...@gmail.com> wrote: > Where is it / was it leaking from? > > Same spot each time? Yes, it seems to leak from where the top gasket fits on (you know, where they tell you to "put a lot of pressure on" when tightening it up or it will leak ;-) I can see where I might have not tightened it properly, but I can't believe my mechanic (who is a guru, and many other folks agree so) can't get it either... Btw, I moved 5 states away or I would just take it back to him again and let him give it another shot. Anyone know of a good Volvo mechanic in Rochester, MN? thanks, jimmy I smear a light coat of silicone calk on the rubber before installing the pump, never had one leak. > Yes, it seems to leak from where the top gasket fits on (you > know, where they tell you to "put a lot of pressure on" when [quoted text clipped - 6 lines] > thanks, > jimmy Perhaps there is some corrosion on the mating surface for that upper o-ring? Another possibility is that the o-ring installed wasn't of the best quality. Was this a Hepu, Volvo or some other top quality water pump? They are not all equivalent. John |
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