Thread: Broke a Trans Sensor

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  1. #1 Broke a Trans Sensor 
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    So, I was jacking up the car and the jacked slipped off the frame and boom right into the sensor sitting on the side of the trans pan. It is broken off now and a little bit of trans fluid is dripping out of the hole so how do I replace it? Will i need to do a whole pan drop for this? see pics....



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  2. #2 Re: Broke a Trans Sensor 
    Moderator dsmuts's Avatar
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    That's your motor not your trans. It's the knock sensor.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: Broke a Trans Sensor 
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    I'm pretty sure it's my trans pan? It's right next to my oil pan and fluid is dripping out
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  4. #4 Re: Broke a Trans Sensor 
    Moderator dsmuts's Avatar
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    Take a pic further away. What car do you have?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  5. #5 Re: Broke a Trans Sensor 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Knock sensor? Nope.


    Thats his oil level sensor for the oil pan. Oil pan = black, trans pan is long and flat and will say M6 on the pan and its aluminum.

    Knock sensor are 1 wire and round, you can see it directly above his starter, its gray and round with 1 wire.

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  6. #6 Re: Broke a Trans Sensor 
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    Forgive me I've been doing a lot of drugs.... Ya it's my oil level sensor. Idk how I got it confused with my trans pan. Not like I've never changed oil
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  7. #7 Re: Broke a Trans Sensor 
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    So it won't be so bad to replace.... I will just drain oil since its time to change it anyways and then I can drop oil pan? And I'll get the sensor for another gp at the yard
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  8. #8 Re: Broke a Trans Sensor 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Dropping the oil pan would take you atleast a weekend if not more if you've never done it before and have limited knowledge.

    Alot of work to get the oil pan down on one of these cars.

    Just try pulling it the rest of the way out, it looks like the wires are still holding it on there.

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  9. #9 Re: Broke a Trans Sensor 
    GT Level Member Beelzeboul's Avatar
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    Never done it myself but of all the things I've read on the forums dropping the oil pan izza pita

    Changing an oil pan in a 2002 Pontiac Grand Prix How-to - YouTube
    I'm sorry officer I didnt know I couldn't do that
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  10. #10 Re: Broke a Trans Sensor 
    Killa Bee Scottydoggs's Avatar
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    looks like you can just pull the old one out and drop in a new one with out removing the pan, thats just from a real quick google search.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  11. #11 Re: Broke a Trans Sensor 
    Killa Bee Scottydoggs's Avatar
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    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  12. #12 Re: Broke a Trans Sensor 
    Moderator dsmuts's Avatar
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    Knock sensor? Nope.


    Thats his oil level sensor for the oil pan. Oil pan = black, trans pan is long and flat and will say M6 on the pan and its aluminum.

    Knock sensor are 1 wire and round, you can see it directly above his starter, its gray and round with 1 wire.
    I don't know why i was thinking it was knock sensor lol
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  13. #13 Re: Broke a Trans Sensor 
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    Why did that make that so difficult -__-
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  14. #14 Re: Broke a Trans Sensor 
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    you do not need to remove the pan to replace the oill level sensor

    remove what's left of the sensor you have (after draining your oil obviously) and screw a new sensor into the bung
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  15. #15 Re: Broke a Trans Sensor 
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    But what if what's left of The sensor breaks off inside of the oil pan
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  16. #16 Re: Broke a Trans Sensor 
    Killa Bee Scottydoggs's Avatar
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    id go buy a new one so you can see what your dealing with, then remove the old one.

    it looks like with 2 picks you can pull the rest of the plastic out, and then the sensor is at the end of the wires. this is how i understand it from what i posed in that link.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  17. #17 Re: Broke a Trans Sensor 
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    The oil sensor is a float switch. It protrudes about 3" into the pan and it's all plastic. I think if you're careful and use an easy out, you can get it out without trashing it. It's not that tight of a fit into the bung (ie you dont need a ton of torque to remove it) as it's sealed with an o-ring and flange (not via the threads). I bet if you got an easy out in there and it grabbed, you could remove it without a wrench and in one piece.

    If it were me, I would try this as removing the oil pan is a gigantic pain in the ass.
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