TEMP PROBLEMS

1990 Nissan Pulsar

Tiny

neilconnah

June, 4, 2012 AT 1:54 AM

Temp gage up and down were should it sit when running on a pulsar n13 1990 1.8le

FOUND 2271 RELATED QUESTIONS

Temp Gauge

23 ANSWERS
3 IMAGES

3 Answers

Tiny

ASEMaster6371

June, 4, 2012 AT 1:59 AM

It should not go up and down.

Check the coolant level. Check the thermostat.

Roy

Tiny

neilconnah

June, 4, 2012 AT 2:35 AM

Well I did change coolant and look at thermostat. Thinking maybe faulty thermostat, I tested it in a pot of water, slowly bring the water to almost boiling and it was very slow to open but closed a little quicker when put in cooler water. Does this indicated a sticky or faulty thermostat? Didnt look like a standard thermostat either. Are they sold separately or do they come complete with the housing?

Tiny

cadieman

June, 4, 2012 AT 3:45 AM

As the stat opens and closes. The heated water gos into the rad. And the cool water goes back in the engine. Make sure the rad. Fan is working. The temp. Gauge will move up and down slightly when the stat opens and closing. Remove the coolant and fill with water. Then remove the upper hose at the radiator. Start it and u should watch the stat when it opens all the water will pour out the upper hose. When the stat opens

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