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how hot???

Tech Talk for Suzuki owners.

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how hot???

Post by islandvitara »

my temp gauge on my sierra goes all the way to the top at normal operating temp (once its heated up after 10mins)..

the engine was runnning fine but now it keeps stalling when i slow down and the revs drop below 2000rpm, even at idle.

so would that have to do with the temp gauge or is there something wrong with the thermostat??? because it was running awsome but now it stalls below 2000rpm and i only just noticed the temp gauge after the stalling....


what happend???


islandvit :? :cool:
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Post by want33s »

Could be lots of things...
First check that it is actually hot and not just the gauge.. Could be different problems.
Have you just replaced the thermostat? You didn't put it in backwards did you?
Jas.
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Post by islandvitara »

nope havnt touched the thermostat... it says its super hot the temp sits right at the top but engine runs fine besides stalling below 2000rpm??

how high does the needle sit on your temp gauge?
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Post by want33s »

Since I fitted my new aluminium radiator , thermostat and temp sender unit the gauge reads NO higher than 1/3.... EVER!
Stick a thermometer in the top tank and see what the temp is.. the gauge could be wrong.
Stalling could be totally unrelated.. EG: Vacuum leak or blocked idle jet.
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Post by islandvitara »

will do! could it possible be the temp sender unit you mentioned? possible faulty maybe?
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Post by want33s »

Could be the sender unit, could be the gauge too.
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Post by GRPABT1 »

Why would you let your car run at the top of the temp gauge for any length of time? If it was the guage or sender or the like wouldn't you fix it asap?
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Post by alien »

if it ran at the top and was acutally hot, you'd know about it when you opened the bonnet - when mines doing hard work and gets hot it actually hurts to open the bonnet its that hot... lol
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Post by Mike_1324 »

Some ways to check....

Use a thermometer, but be careful because it will be hot either way...

Pull the thermostat all the way out of the housing, and run it with out one. Does it still get that high on the gague?

Whats the resistance reading at cold, and hot from the sender unit?

Is the radiator full of fluid, and presurizing properly?

Let us know.....

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Post by alien »

you can check the thermostat is working by holding the radiator hoses... one will be hot and the other cold if the thermo aint working.
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Post by Goatse.AJ »

IF the two problems are related, then my bet is on a dodgy earth or other wiring issue.

How hot is the top tank to touch?

Is the engine sounding more "tappety" than normal?

Any sign of oil in the coolant or vice versa?
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Post by islandvitara »

all good!!!! i got under the engine and had a good look for any leaks and BAM!!! coolant leaking from a pipe on the pump shaft, must bumped it while adjustin a clamp on another hose :D i didnt notice the coolant puddle as the ground was wet where the car was!!!

toped it up an the temp is about 1/3 on the gauge so all is fine except the stalling thing???

i did notice oil or i think its oil on the number 2 spark plug!!! not alot but some as number 3 was the same??? maybe seal it up with locktight adhesive???
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Post by JrZook »

islandvitara wrote:
i did notice oil or i think its oil on the number 2 spark plug!!! not alot but some as number 3 was the same??? maybe seal it up with locktight adhesive???
Seal your spark plugs with locktight :? Im assuming that you have some oil residue exiting the spark plug threads. If so just pull em out, clean em up, check the washer isnt fully mangled and retighten them.

Dan
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