Trans Temp Gauge Sensor Leak

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This past week I installed the probe into the drain plug spot on the 5-speed. It is leaking. I didn't use any teflon tape because it is a self grounding unit. Has this been a problem for anyone else and will the teflon tape stop it from grounding?
Thanks
Matt

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90 W250, 5-speed, 3. 54 gears, 16 cm2 housing, tach, pyro, and boost gauges.

 

[Archive]

I USED TEFLON ON MY SENSOR AND IT WORKS FINE.

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2000 DODGE SLT,ULTRA-RUNNING BOARDS, AMERICAN TOOL BOX/FUEL TANK,AND REESE 20K HITCH,GTS BUG SHIELD,RHINO LINING . MEDIUM SIERRA BRONZE, QUAD 2500 LONG BED. 4:10 POSI-TRACTION REAR END W/AUTOMATIC. STAN'S 4" EXHAUST SYSTEM TURBO BACK, AND VOYAGER BRAKE CONTROLLER,PIRO/BOOST/AND TRANY GUAGES. ULTRA-BOARD MUD FLAPS. HEAVY DUTY TOWING AND ALL ACCESS. A POSI-TRACTION 4:10 REAR END. K&N AIR FILTER. MOPAR DEEP ALUNIUM TRANY PAN. KLEEN WHEELS, DD STAG 1 INJECTORS. custom burl wood dash.

 

[Archive]

I have mine on the dip stick, but I don't see any reason that you couldn't use tfe (teflon) paste, if you didn't think that teflon tape would work (or cause a no ground problem).

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94 4x4 SLT Geno's guages,mystery switch,TST 230/605,straight pipe from turbo,110,000+ miles,much more to come