Good info.
And when replacing the sensor, if you replace the cap on the coolant
reservoir (after relieving any residual pressure), the amount of coolant loss will
be less that a cup.
Bob W.
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In a message dated 5/25/2008 12:33:43 P.M. Eastern Daylight Time,
davebo1896@... writes:
And the new green d-shaped (oval) sensor did the trick.
The dash gauge is now working.
Another note, I think the AC was not working while this sensor was
malfunctioning. It seems to be working now. I'm not sure if this is
related.
So to sum up ...
There are two sensors under the engine in the thermostat housing.
You'll have to drop the belly pan to get to these, they are on the
driver's side.
The 4-pin d-shaped (oval) is for the dash gauge and the fuel
injection. The new sensor is green, the original one was black. the
black ones are a known problem.
The 4-pin square sensor next to the d-shaped sensor is for the fans.
There is a 4-pin blue sensor in a hose near the top of the block that
is for the after-run pumps.
Each sensor is held in with a c-clip. Each sensor has a rubber o-ring.
It is possible to swap out the sensors without draining the coolant
system, but you need to be quick with the lower ones (make sure the
coolant is cold, safety goggles and a closed mouth are advised)
The o-ring does not always come out when you pull the sensor. Make
sure it is accounted for before replacing the c-clip. Also be sure
the sensor is under the c-clip not over it, or it will pop out and
drain all your coolant.
Sensors and o-rings are available from Steve at
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Thanks All !!
Dave
****Get trade secrets for amazing burgers. Watch "Cooking with
Tyler Florence" on AOL Food.
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