Temperature Gauge Fluctuation

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04-12-2009, 06:49 PM

pizon

1st Gear Member

Thread Starter

Join Date: May 2006

Location: SouthWest

Posts: 60

Temperature Gauge Fluctuation

What could cause my temperature gauge to fluctuate between normal and hot if my my RPMs and speed are in sync? I've also noticed my heater will blow cold air at times. Thermostat, radiator?

04-13-2009, 08:47 AM

bgnn32

2nd Gear Member

Join Date: Feb 2009

Location: MA

Posts: 313

I would start with the thermostat, could be the cause of the problems you listed.

04-14-2009, 01:18 PM

g_unotkiller

Join Date: Jul 2008

Location: New Mexico

Posts: 27

having the same problem, tried bleeding the cooling system worked for awhile but now car oveheats and heater blows cold air. wonder if i need a new radiator