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1992 SAAB 9000 how come

Tiny
JAY10E
  • MEMBER
  • 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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Monday, January 5th, 2009 AT 3:26 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Any chance thermostat is in backwards? Spring points to engine
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Monday, January 5th, 2009 AT 3:33 PM
Tiny
JAY10E
  • MEMBER
  • 2 POSTS
That was the first thing I that thought of so I checked that it was fine. Anything else u think it might be
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Monday, January 5th, 2009 AT 3:56 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
May have air in system is there a bleeder? If not pull cap jack up front of car run till all air out.
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Monday, January 5th, 2009 AT 4:00 PM

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