2000 GTP issue with Coolant Temp Sensor
tblake
06-03-2009, 06:33 PM
Hi Guys!
Ok, as most of you know I replaced my LIM gaskets and at the same time installed a ported and polished Lower Intake Manifold.
Well, the P&P LIM came bare, so I had to install my own ECT sensor on it from the old LIM. So I did, and at the same time I cleaned the threads and applied some silicone RTV.
Well, a month or so went by and I peered down along my LIM gaskets to check for leaks. I saw some coolant on the drivers side. Not some, but a lot. It was dripping from the ECT sensor threads.
So, since its in such a crappy spot to get to after the LIM is installed that I decided to just replace it. I bought one from o'reilley's for 18.00, covered the threads in Red High Temp RTV, and put it in.
It seemed good for a week or so, and then yesterday I took a rather long trip and when the car cooled, I decided to stick my hand down there and check for coolant.
Well, you guessed it, its not leaking nearly as bad, but it is still damp down there. I think my problem is that the coolan keeps dripping from around the sensor as I thread the new one in. Causing the RTV to not set and cure properly and causing a leak.
So, does anyone have any idea as to how I can get this to seal up? Whats the word on teflon tape, is that a no no?
Anyone with any ideas?
Thanks Guys!
Ok, as most of you know I replaced my LIM gaskets and at the same time installed a ported and polished Lower Intake Manifold.
Well, the P&P LIM came bare, so I had to install my own ECT sensor on it from the old LIM. So I did, and at the same time I cleaned the threads and applied some silicone RTV.
Well, a month or so went by and I peered down along my LIM gaskets to check for leaks. I saw some coolant on the drivers side. Not some, but a lot. It was dripping from the ECT sensor threads.
So, since its in such a crappy spot to get to after the LIM is installed that I decided to just replace it. I bought one from o'reilley's for 18.00, covered the threads in Red High Temp RTV, and put it in.
It seemed good for a week or so, and then yesterday I took a rather long trip and when the car cooled, I decided to stick my hand down there and check for coolant.
Well, you guessed it, its not leaking nearly as bad, but it is still damp down there. I think my problem is that the coolan keeps dripping from around the sensor as I thread the new one in. Causing the RTV to not set and cure properly and causing a leak.
So, does anyone have any idea as to how I can get this to seal up? Whats the word on teflon tape, is that a no no?
Anyone with any ideas?
Thanks Guys!
GTP Dad
06-03-2009, 07:44 PM
Teflon tape is ok just leave some of the threads exposed so that it properly grounds against the mainfold. That should seal the leak for you.
tblake
06-03-2009, 07:48 PM
Sounds Good! Thank You Lynn!
Or else I was thinking about taking it out, cleaning it up, applying RTV and letting the RTV sit for an hour or so before I screw it into the manifold. That might help it not be so susseptible to the dripping coolant.
Or else I was thinking about taking it out, cleaning it up, applying RTV and letting the RTV sit for an hour or so before I screw it into the manifold. That might help it not be so susseptible to the dripping coolant.
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