Question about 1998 Ford Explorer
Hopefully this is not too late, and if not the replacement of the heatercore is a big job.You'll need to dismantle the dash apart in order to get to the core on any explorer after '95. If you change the core just double check your blower motor as well.It will save you of doing the samething(unpluging it in order to get to core screws behind it). Like I said is a big job but well worth it.GOODLUCK!!!!!!
Posted on Feb 28, 2009
It is not easy. you have to remove the old heater core under the dashboard.First you remove the hoses at the firewall going into the cab.You have to drain the coolant and be careful not to spill it when the core is removed. Then you remove the core which is attached with some small bolts and screws. It is uncomfortable to say the least. But it can be done . Did you try to flush out the old heater core ? Sometimes you can flush out the heater core by removing the hoses from the heater core attachment lines . Not the ones to the firewall. See which one is the inlet and the outlet. Run a hose with a good amount of preassure not a lot. you don't want to rupture the core. Run the water into the inlet and it will come out the outlet hose. Flush it to remove all debris until all you see is clear water coming out.Then reverse the hoses and place the hose on the outlet and it will come out the inlet. If the core is leaking you will see a wet spot in the carpet under the dash. Then the heater core has to be replaced.
Posted on Jan 11, 2009
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