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Water Pump Leaking - 99 Toyota Camry

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New User

May 12, 2015, 5:02 PM

Post #1 of 3 (997 views)
Water Pump Leaking - 99 Toyota Camry Sign In

(This car previously overheated from having the wrong oil filter installed and it popped off and drained all the oil. We had it serviced in another garage and it was driving fine after that.)

99 Toyota Camry, 300k+ Miles

I started to notice the coolant reservoir kept going low, about once a week for the last few months. Being in a warm climate, I added distilled water to continually top it off. The car then overheated and I found air burst through the top radiator hose (near the hose clamp). I replaced the top hose with a 2000 hose on accident but they are exactly alike in size and shape so I used it. The car then ran like normal for about 4 days.

Now we overheated the car again and I discovered that water drains, at a steady pace, from an area around the water pump. I can see it bubbling from deep behind the area where the thermostat should be replaced. The water inside the overflow reservoir and radiator cap also bubbles when the car is running.

If I replace the water pump and timing belt, could that fix the problem or could there be an underlying problem that could cause the new water pump to fail?

I'd hate to do all the youtube research to do this and mess up a new water pump.

(This post was edited by Ogimaa on May 12, 2015, 5:40 PM)

Ultimate Carjunky / Moderator
Discretesignals profile image

May 12, 2015, 6:01 PM

Post #2 of 3 (978 views)
Re: Water Pump Leaking - 99 Toyota Camry Sign In

Just to let you know something, but when an oil filter pops off the lubrication system has no pressure. That means that nothing is getting lubricated inside the engine as it is running. It doesn't cause overheating, but causes major damage to rotating and sliding components.

Bubbling in the radiator isn't a good sign. That could be gasses from internal combustion are entering into the coolant system. You should connect up a leak down tester and pressurize each cylinder to see if bubbles appear in the radiator.

The engine was ran with no oil at one time and overheated several times. 300K miles on top of that. My opinion is maybe time to look for another vehicle or possibly a replacement engine if everything else on the vehicle is good. Doesn't make sense to invest all that time and money into the engine to fix leaks and do a possible head gasket replacement to find out the lower end is worn out, it burns oil like no tomorrow, or has cracked cylinder walls.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on May 12, 2015, 6:08 PM)

Tom Greenleaf
Ultimate Carjunky / Moderator
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May 13, 2015, 5:13 AM

Post #3 of 3 (962 views)
Re: Water Pump Leaking - 99 Toyota Camry Sign In

Agree with DS the car is probably a total value loss now.

Question is WHY didn't you go or tow this right back to the place/shop that caused the oil issue to begin with or had some time passed since that? IDK - oil filters don't just fall off later if a problem with installing one,


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