20 Most Recent 1998 Pontiac Sunfire - Page 2 Questions & Answers


Try changing temperature sending unit sometimes its located in radiator . Just below radiator cap you will see wires.check connections on fan. check selenoid in electrical panals understand hood grey or black relays. Cover will say fan one fan 2 . if not that try changing
your thermostat check fluids. warm car up an open blender screw on thermostat housing. Tighten when all air is bled out.

1998 Pontiac... | Answered on Dec 14, 2015


you need to remove the complete dial display to access the individual bulbs at the back to do that all dash trim around the dial display must be carefully removed to expose the screws to get the display out be careful when getting it out the dash the display loom must still be unplugged usually the length of the loom is just enough to get ur hand in to unplug

1998 Pontiac... | Answered on Nov 06, 2015


if it has a viscous fan hub ( fan clutch) the replace it
if it electric fans check them for correct operation

1998 Pontiac... | Answered on Oct 25, 2015


My sister's and my brothers GM hardtops both leaked like yours is doing.
My sister got hers fixed, my brother opted not to do so.
The leaks turned out to be body leaks from the factory from water running in body openings at the windows and body joints.
I believe my sister had to have the fenders pulled off to fix it.
God bless your efforts.

1998 Pontiac... | Answered on Aug 27, 2015


Sounds like you have a cold solder joint somewhere in the dash assembly. My suggestion is to find a website that specializes in GM self repair, likely a known issue that has a simple fix but if you find someone who has already solved that problem will save you a bunch of troubleshooting.

1998 Pontiac... | Answered on May 31, 2015


Sounds like catastrophic gearbox failure! No magic bullet solution, sorry.... time to visit the transmission ship.

1998 Pontiac... | Answered on May 11, 2015


sounds like bad fuel injectors high resistance when engine is heat soaked

1998 Pontiac... | Answered on Mar 25, 2015


theft light on dash flashing??? will need reprogram or reset

1998 Pontiac... | Answered on Mar 07, 2015


usually behind crankshaft pulley on the bottom engine .. complicated job check around for best price try independent shops first

1998 Pontiac... | Answered on Feb 26, 2015


first thing replace thermostat could be sticking closed

1998 Pontiac... | Answered on Feb 26, 2015


its triggered buy ignition lock cylinder if its worn it malfunctions replace ignition cylinder

1998 Pontiac... | Answered on Feb 26, 2015


most likely warp the heads and n blown the head gasket and getting coolant in the cylinders should never let engine temp climb to far above normal before shutting down probably going need new engine usually can get a 2002 engine last year of this engine used like $350 but search around for remove n reinstall

1998 Pontiac... | Answered on Feb 26, 2015


Replace the fuel filter. Pray that fixes it cause if it doesn't it is probably that the pump is getting weak, and those are pricey.

1998 Pontiac... | Answered on Feb 21, 2015

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