Mechanics

HOW COME

1992 SAAB 9000

Engine Cooling problem
1992 Saab 9000 4 cyl Two Wheel Drive Manual

ok I have changed the thermost, water pump gasket, back flush the riadiader put new hoses on this thing and ill be drivin down the road all of a sudden it will be overheating then all of a sudden the temp gage flies down to cold then back up to hot agian and so on. Also I change the cap to. If you all can help me out that would be so much
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Jay10e
January 5, 2009.



Any chance thermostat is in backwards? Spring points to engine

Docfixit
Jan 5, 2009.
That was the first thing I that thought of so I checked that it was fine. Anything else u think it might be

Tiny
Jay10e
Jan 5, 2009.
May have air in system is there a bleeder? If not pull cap jack up front of car run till all air out.

Docfixit
Jan 5, 2009.