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Old 06-09-2022, 03:41 PM   #1 (permalink)
Corporate imperialist
 
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Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 11,267

Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
SUV
90 day: 141.63 mpg (US)
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Hyundai transmission temperature sensor, the final solution

From 1999 till about 2008 Hyundai uses a little plug in temperature sensor that goes inside the transmission.
I think it was about $400 in 2016 to have the dealer replace it. Bet it's significantly more now.
They like to go bad.
Simply replacing it appears to be a bandaid.
So I relocated it outside the transmission, that way when it goes bad again, I replace it and it takes like 10 minutes.
4cyl and v6 Hyundais appear to use a 12 pin connector, 4 thicker pins in the middle and 4 smaller pins flanking each side. There's only 2 things connected to that plug inside the transmission, solenoids and the temperature sensor. The solenoids read single digit ohms. The temperature sensor reads thousands of ohms. Super easy to find with a multi meter.
Cut those 2 wires where they went to the transmission plug, rerouted temperature to a transmission cooler line and shoved the temperature sensor inside the lines pipe wrap.
Problem solved.
I'll post pictures and part numbers later.

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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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