Water pump failure on '02 Imprezia Outback Sport

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During the prolonged cold spell here in the northern plains, I started noticing the sweet smell of burning coolant briefly when running the cabin heat at idle. Underway, the smell disappears. This was of great concern since the last Subaru I owned (an '85) cracked a head and oil infiltrated the coolant system. The symptoms were similar -- except this time there was no oil visible in the reservoir.

I started checking under the car and noticed a small spot of coolant, perhaps about 50 ml of coolant, directly under the engine after it sat overnight. Thinking pump failure, I took it into the mechanic who said the pump needed to be replaced.

The car is a 2002 Subaru Imprezia Outback Sport -- the mini Outback wagon. I've only got about 36k miles on it. Has anyone else had issues with their water pump on this model? It seemed quite premature for the pump to crap out like that.

Hopper

Reply to
nhopper
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looks like HG weep to me

Reply to
daszkiew2000

Could also be the thermostat housing, lower radiator hose, upper radiator hose, coolant bypass tube, or the coolant lines to the intake manifold. I'd suggest using one of the coolant system pressure testers to see if you can't determine where the leak is. Clean the front of the engine real well, pressurize the system, and then see if you can't determine where the coolant is coming from. A waterpump leak will (usually) drip from the bottom left side of the timing belt cover . . . FWIW, I have (stupidly) pulled the entire front of one of these engines apart to replace a leaky waterpump, only to find that a leak was at the upper hose was dripping into the timing cover, so look carefully before you leap.

ByeBye! S. Steve Jernigan KG0MB Laboratory Manager Microelectronics Research University of Colorado (719) 262-3101

Reply to
S

I believe there is a 60000 mile 5 yr warranty on engine---- bring it to dealer. If warranty is past i bet you wish you bought the extended!!!!!

Reply to
bigjim

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