1997 Chevy Venture Temperature sensors

1997 CHEVROLET VENTURE

FRAAK

MEMBER
2 POSTS

1997 Chevy Venture

I'm trying to debug a cooling system problem. My radiator cooling fans don't seem to be switching on when they should.

I assume that there's a temperature sensor somewhere that (through the computer?) tells the cooling fans to switch on.

Then there's obviously a sensor whose reading is being displayed on my dashboard temperature gauge.

Are these the same same ECT sensor? Or is a seperate sensor doing each of the two tasks?

Any clue where they may be located? (I believe I've found one near where the upper radiator hose meets the engine block.)

Thanks so much!

Nov 14, 2008 at 3:03 PM

RASMATAZ

✓ASE Certified Mechanic
75,992 POSTS

The ECT sensor is located on top left side of engine. I've looked for an engine temperature gauge switch there's no listing for it

Test the ECT and thermostat

Jun 19, 2020 at 11:39 AM

FRAAK

MEMBER
2 POSTS

Thanks for the quick reply!

Darn. I was hoping for seperate sensors. The dashboard gauge seems to be working perfectly. I've also checked fuses, relays, and (with a well-placed paper clip bypassing a relay) the fans themselves.

I *think* the thermostat's working fine too, but it may be worth a look.

> The ECT sensor is located on top left side of engine.

By left, you mean driver's side, correct? Things get all reversed when I'm standing at an open hood.

Jun 19, 2020 at 11:39 AM

RASMATAZ

✓ASE Certified Mechanic
75,992 POSTS

By left, you mean driver's side, correct? Yes Sir-if its a transverse engine its a different story

Jun 19, 2020 at 11:39 AM

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