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punt
change the (pvc) valve
how do you replace a heater core in a 91 Oldsmobile 98
Yes in the '79 to '85 toronado's. You will need an olds 350 engine such as the ones put in the '79 toronado's.
This depends 100% on what engine it is.
Heater core is inside dash board by firewall.
$2,995.
you need to replace your heater core.
3,853 lbs
To replace most heater cores you have to remove the dash on the passenger side.
It probably has a bad heater core
if you buy a book it is simple 2 to 3 hrs