First thing I would do if its leaking is to try to put some stop leak in it. And if that fails then you have to replace it. NOTE: Be careful when removing panels so you won
How do you change the heater core on a 1989 Oldsmobile Cutlass Ciera? or where can I get the Info on replaceing it
An exploded view of the heater controls for a 1989 Olds Cutlass can be found in the Cutlass service manual. The manual can be found at most auto parts.
fuse
Chain
300.00
By the fuel tank , left side where the filler tube is.
4.5 or 4 1/2 quarts..
where is the horn relay
The 1989 Cutlass Ciera modern production spark plugs are pre-gapped from the factory and should not be altered. The OEM AC Delco Professional Platinum #41805 for this engine comes pre-gapped at .045 inches for reference purposes.
air conditioner eliminator pulley from autozone.com
Usually up under the dash on the right side of the ashtray.
Unplug it, then unscrew it, then install a new one. A special tool is available that's basically a bent-up 9/16" wrench.