2005 jeep grand cherokee heater core

Heater Core 05 Grand cherokee

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. The Heater Core started going bad the last 20, miles. They changed the unit 5 times and the hoses once.

2005 jeep grand cherokee heater core

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I've got a sweet smell coming into the car whenever the engine becomes warm. Pretty sure I see a filmy residue on the windshield. My guess is that it's a coolant leak. I bought a pressure tester kit and hooked it up to the radiator. I pumped it up to 10PSI. I know the system can handle 18PSI, but I didn't want to run the risk of damaging the cooling system. After letting it sit for minutes, I didn't see any leaks underneath the vehicle. I pulled up the passenger side carpet to check to see if it was a heater core issue. Sure enough, there appears to be a red stain on the foam padding underneath the carpet. But the odd thing is that it wasn't wet. When the vehicle was sold to me, the vent shown in the picture was blocked with a piece of plastic Maybe intentionally to hide the coolant smell?

If not I can PM you it.

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Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I only want to do this once and I've read mostly lousy reviews for aftermarket heater cores. Anyone know of a good source for a quality aftermarket heater core? Sort by Oldest first Oldest first Newest first Most reactions.

2005 jeep grand cherokee heater core

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AVS Forum. Where the coolant was leaking as shown in the last picture , it was pretty obvious. AVS Forum. Send a private message to Shocker Digger84 Replies. Pretty sure I see a filmy residue on the windshield. So far no leaks. Told another guy to get a volt meter and put it on the battery terminal and then the other in the coolant without touching anything else. Thanks for all the input, JGC! After letting it sit for minutes, I didn't see any leaks underneath the vehicle. Another XJ head issue? This form of electrolysis is caused by bad grounding of an electrical component and can be a very rapid way of electrolysis, depending on how bad the grounding is and the current drawn. I'm at a loss here honestly. Remove the instrument panel.

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Any voltage above 0. I would never pull the dash on one of these to do the heater core though I have back in the day. Find More Posts by Shocker If your not loosing coolant, your not leaking right now. If for example the ground for the starter motor is not perfect, then a reasonable high current can pass through the coolant and create leaks rapidly at heater core or radiator cooling fins. For a better experience, please enable JavaScript in your browser before proceeding. Digger84 Replies. But I do know how to swap out the heater core effectively now Crosshairs Replies. I do not trust the jeep anymore. Just wanted to see if you had any luck on finding information about how to do this repair. Drain the engine cooling system. It just doesn't make sense that the smell goes away after a couple of minutes of running the heat, I'm pretty sure it's not me getting used to it. Must have been a very small leak. Does anyone have a link for instructions for a heater core replacement for a Jeep Grand cherokee with a Hemi 4wd?