Coolant temp sensor

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zero529

From a relative novice: I was replacing the coolant temperature sensor
(we don't have a Saturn dealer in town, so I picked one up from
Autozone -- about $9, brass construction) in my '98 SL2 this morning.
I was warned not to overtighten it, so I tried not to crank it down too
hard. But when I took it out for a test drive, I heard a little
hissing noise, and I figured maybe I didn't tighten it enough (although
I didn't see any signs of coolant leaking out from around it). I let
the engine cool down again and I went back in with my socket wrench.
Tightened it some more . . . then it got easier to turn. I pushed a
little more to make sure it really had changed and probably turned it
about 1/2 of a turn in all. I'm guessing I stripped the threads on my
brass sensor. Opinions? I assume I should get another one and put it
in more gently?

I disconnected the negative terminal on the battery for a minute to
reset the PCM. Now my rear defogger doesn't turn on. I guess I'll
check the fuse tomorrow. Do you think it's a result of my work with
the CTS? Any suggestions besides the fuse?

Thanks.
 
Check Radio.... Some defrosters get the timing from the radio. Bet the
radio security code must be entered for the radio to work and then I bet the
defroster will also,

Jerry


From a relative novice: I was replacing the coolant temperature sensor
Click to expand...
(we don't have a Saturn dealer in town, so I picked one up from
Autozone -- about $9, brass construction) in my '98 SL2 this morning.
I was warned not to overtighten it, so I tried not to crank it down too
hard. But when I took it out for a test drive, I heard a little
hissing noise, and I figured maybe I didn't tighten it enough (although
I didn't see any signs of coolant leaking out from around it). I let
the engine cool down again and I went back in with my socket wrench.
Tightened it some more . . . then it got easier to turn. I pushed a
little more to make sure it really had changed and probably turned it
about 1/2 of a turn in all. I'm guessing I stripped the threads on my
brass sensor. Opinions? I assume I should get another one and put it
in more gently?

I disconnected the negative terminal on the battery for a minute to
reset the PCM. Now my rear defogger doesn't turn on. I guess I'll
check the fuse tomorrow. Do you think it's a result of my work with
the CTS? Any suggestions besides the fuse?

Thanks.
 
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