1) undo all the screws on the heater core box inside the engine bay
2) undo the glove box door by unscrewing it from underneath then take out the glove box liner by NOT pulling but pushing it down out the rear
3) break the seal carefully around the box trying not to tear it too badly
4) disconnect the electric connection on top, this should give you enough wiggle room to take out the bad core and insert the new core
5) there are two tabs that hold the core inside, one snaps off and the other unscrews
6) insert the new core and reverse steps
* I did not have to take off the inside fender
by not disconnecting all the controls from the heater box (inside) you will not be able to check the blower etc. but if they work fine and you know you just need a heater core it's fine.
You must go under the hood as well as inside to get the heater core removed and replaced. I just did mime.
How do you replace the heater core on a jimmy?
Best to get the shop manual but basically: Reomove Heater hoses from engine block and drain. Remove glove box. Disconnect cables that connect to heater core. Disconnect heater core from firewall. Disconnect hoses from heater core. Pull heater core from under dash.
how do u replace the heater core
The heater matrix, in a Peugeot 206, can be replaced by removing the heater core and the hoses. With the heater core removed you can replace it with a new heater core.
How do you replace a heater core in a 1998 Ford Expedition?"
the nuts holding the heater core box is in the engine compartment. the wheelwell needs to be removed to access the nuts. once all the nuts are removed, remove the heater hoses from the firewall and then wiggle out the heater box, but be careful of the cables and wiring. lower the box and remove the cables from the levers and the wiring from the heater resistor pack. remove heater core and reinstall
how do you replace a heater core in a 91 Oldsmobile 98
How do you replace a heater core in a 1998 ford expedition?"
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