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GMC Jimmy Oil and other Fluid Leaks

15 messages,  Last post on Jul 12, 2009 at 9:36 PM

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What is this discussion about? GMC Jimmy, Oil, SUV

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#6 of 15 GMC Jimmy Radiator fluid leaking into car cabin. by killrwhale Aug 24, 2007 (5:54 pm)
#7 of 15 GMC Jimmy Radiator fluid leaking into car cabin. by killrwhale May 22, 2007 (1:11 pm)
I have a 97 GMC Jimmy, and I have radiator fluid leaking into my car cabin by the passenger seat floor. It seems to be coming out of it looks like the floor heating vent?   Anyone know the cause of this?   It leaks A LOT and the floor gets soaked, but then stops once it has reached a certain level of less fluid in the radiator. So when I add more, it leaks again. Replies to this message: repairdog (May 22, 2007 1:59 pm) brok (Jul 12, 2009 9:36 pm)
#8 of 15 Re: GMC Jimmy Radiator fluid leaking into car cabin. [killrwhale] by repairdog May 22, 2007 (1:59 pm)
Replying to: killrwhale (May 22, 2007 1:11 pm) Leaking heater core and you have to pull the dash out to replace so about $600 job and 6-8 hours at dealer. Quick fix for summer is buy a 5/8 x 3/4" adapter to bypass the core at the hoses at firewall. Sorry - to be sure get the free pressure tester at the auto store and pump it up and see if thats it.
#10 of 15 Radiator non-stop leaking... weird... by killrwhale Aug 01, 2007 (1:44 pm)
Ok, I have had nothing but problems with the radiator in my '96 GMC Jimmy. First my heater core is cracked, so I have the radiator fluid leaking into my car cabin.   But now, I have to add water/radiator fluid every day. But when I add it past a certain spot, it starts leaking out the bottom of my car. I am able to drive my car without over heating even though this happens. But when I stop and park the car (turn off) radiator fluid comes pouring out the bottom of my car again. So I can only stop my car about 3 times before I have to refill the radiator as far as it goes until it leaks out the bottom, or I will overheat BADLY.   Any clues what this is? haha Replies to this message: tidester (Aug 17, 2007 11:37 am) jkash76 (Aug 24, 2007 5:54 pm)
#11 of 15 Hmmm by killrwhale Aug 16, 2007 (11:29 pm)
still doing it, weirdest thing ever, haha Replies to this message: steve_ (Aug 17, 2007 7:30 am)
#12 of 15 Re: Hmmm [killrwhale] by steve_ HOST Aug 17, 2007 (7:30 am)
Replying to: killrwhale (Aug 16, 2007 11:29 pm) That's a stumper.   Try posing over in the Cooling Systems: Problems & Solutions (Radiator, Fan, etc) discussion where more people will see your question.
#13 of 15 Re: Radiator non-stop leaking... weird... [killrwhale] by tidester HOST Aug 17, 2007 (11:37 am)
Replying to: killrwhale (Aug 01, 2007 1:44 pm) But when I stop and park the car (turn off) radiator fluid comes pouring out the bottom of my car again.   It sounds like when you turn off the engine you're getting thermal expansion of the core because coolant is no longer circulating. I wouldn't go much longer without repairing or replacing it.   tidester, host SUVs and Smart Shopper
#14 of 15 Re: Radiator non-stop leaking... weird... [killrwhale] by jkash76 Aug 24, 2007 (5:54 pm)
Replying to: killrwhale (Aug 01, 2007 1:44 pm) I have the same problem with my 1999 Chevy Blazer pouring radiator fluid on the ground. Have you figured out what it is yet?
#15 of 15 Re: GMC Jimmy Radiator fluid leaking into car cabin. [killrwhale] by brok Jul 12, 2009 (9:36 pm)
Replying to: killrwhale (May 22, 2007 1:11 pm) My problems was some what your problems were,had too buy new radiator for GMC problem fix no high temp.runs great buy GMC parts.

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