JUST BOUGHT VAN WITH KNOWLEDGE OF THE THERMOSTAT...

2001 Chevrolet Venture

Tiny

mikey288

March, 2, 2013 AT 4:05 AM

Just bought van with knowledge of the thermostat needing replaced. Bought from the 2nd owner since 80,000 miles. Now has 253700. My issues are is that I replaced thermostat drove fine with barely hot heat for about 300 miles. Now temp gauge jumps hot to cold, also have had it flushed and a new coolant sensor. Drove fine for 50-60 miles and now temp gauge is either extremly high or really low. Mild warm heat, drives awesome still. Getting frustrated.

FOUND 2271 RELATED QUESTIONS

Temp Gauge

23 ANSWERS
3 IMAGES

6 Answers

Tiny

mhpautos

March, 2, 2013 AT 4:07 AM

Get the radiator cleaned by a radiator repair shop.

Tiny

mikey288

March, 2, 2013 AT 8:11 AM

Would that cause my temp gauge to bounce around? Im not losing any antifreeze as in intake or a head gasket problem. Would a water pump have any effects?

Tiny

mhpautos

March, 2, 2013 AT 11:45 PM

Radiators will cause temp gauges to pendulum.

Tiny

mikey288

March, 4, 2013 AT 6:35 AM

Thanks I am replacing thermostat again tomorrow and continue to bleed the system aswell as checking into getting radiator cleaned

Tiny

mikey288

March, 4, 2013 AT 11:53 PM

O replaced thermostat and have heat in front but not back is there a bleeder valve for the back heat system

Tiny

mikey288

March, 5, 2013 AT 3:55 PM

Still giving me same problem would intake gasket do it?

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