replacing heater core

ISUZU

DAVID SIMS

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i have a 1996 isuzu trooper with 3.2lt. sohc engine. i bought a heater core to replace the leaking one on the truck. ther is no visible way to easily remove the old one. can some one show me an exploded veiw of this thing? also any tricks or tips to keep from removing the entire dash. and the screws that mount the coolant lines appear to come from the engine side of the firewall. any help would be greatly appreciated. thanks david sims

Jan 17, 2007 at 7:06 AM

CARUNDELL

CAR REPAIR CONTRIBUTOR
602 POSTS

Here is a generic guide on how to replace the heater core start by disconnecting the battery and draining the coolant. I have included instructions in the images below for your car.

https://www.2carpros.com/articles/replace-heater-core

Check out the images (Below). Let us know what happens and please upload pictures or videos of the problem.

Images (Click to enlarge)

Jan 17, 2007 at 8:26 AM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.