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Tips to separate transmission from engine

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Old 08-06-2022, 04:05 PM
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Default Tips to separate transmission from engine

I dropped by engine/tranny from below using a lift. I used a hydraulic table and two of the table wheels are locked. Per the photos, I've also supported the tranny in two places. I've removed all of the tranny bolts. I'm trying to separate the tranny with no success. I've used the pry point shown in the photos to get about 1/4" separation on the side with the pry point, but that's it so far. Any suggestions on how to do this are appreciated. It's my first time doing this work.


Pry point on right side
Old 08-06-2022, 04:11 PM
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Remove upper starter bolt.
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Old 08-06-2022, 06:04 PM
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That was it. Thanks. Not an easy one to get to. I noticed that the sensor in front of the starter had its wiring hanging front it and maybe a wire broken. Is this the knock sensor and can I just buy a new one and replace it?
Old 08-07-2022, 05:15 AM
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Originally Posted by latelifecrisis
That was it. Thanks. Not an easy one to get to. I noticed that the sensor in front of the starter had its wiring hanging front it and maybe a wire broken. Is this the knock sensor and can I just buy a new one and replace it?
It is. The knock sensor breaks if you glance at it wrong.

EDIT: i got mine here, i'm pretty sure its the same damn sensor i had lying around from a b20b i just bought . https://www.rockauto.com/en/moreinfo...&pt=5108&jsn=1
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Old 08-07-2022, 09:32 AM
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Knock sensors for different engines look same outside. But surely not same internally.

Knock detection is detecting a specific frequency of sound. Strike a complex shape of metal hunk with hammer,it rings at a specific frequency. Strike a different shaped hunk of similar mass of similar metal, it'll ring at a different frequency.

This isn't a place I'd be looking to save a few bucks using a sensor meant for a different motor. Best case ecu sees knock that isn't there, pulls timing and you needlessly lose tons of power. Worst case, ecu doesn't see knock that is there, and keeps adding timing, and destroy your engine.

Surely someone will chime in and say they've been using knock sensor meant for a different motor, and 'haven't had any issues'. How would you know if engine is slowly destroying itself inside? Before it shows symptoms it could be causing incremental damage.

Just use the correct part. This is a case where I'd rather have an aftermarket part meant for this motor than an oem part meant for a different one. Obviously oem part for this motor is best.
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Old 08-07-2022, 12:21 PM
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Originally Posted by Car Analogy
Knock sensors for different engines look same outside. But surely not same internally.

Knock detection is detecting a specific frequency of sound. Strike a complex shape of metal hunk with hammer,it rings at a specific frequency. Strike a different shaped hunk of similar mass of similar metal, it'll ring at a different frequency.

This isn't a place I'd be looking to save a few bucks using a sensor meant for a different motor. Best case ecu sees knock that isn't there, pulls timing and you needlessly lose tons of power. Worst case, ecu doesn't see knock that is there, and keeps adding timing, and destroy your engine.

Surely someone will chime in and say they've been using knock sensor meant for a different motor, and 'haven't had any issues'. How would you know if engine is slowly destroying itself inside? Before it shows symptoms it could be causing incremental damage.

Just use the correct part. This is a case where I'd rather have an aftermarket part meant for this motor than an oem part meant for a different one. Obviously oem part for this motor is best.
Makes sense. The one Iinked is the NTK meant for the car.
Old 08-07-2022, 04:46 PM
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Thanks guys. I really appreciate the knowledge from this forum.
Old 08-08-2022, 11:33 AM
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I grabbed a used one someone on here was selling much cheaper than new one. You never know when ull need it
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Old 08-09-2022, 07:39 AM
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Originally Posted by sdosmil77
I grabbed a used one someone on here was selling much cheaper than new one. You never know when ull need it
Do you need to do an ECU re-learn, after replacing the sensor?
Old 08-09-2022, 09:01 AM
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Nope, just clear the CEL.
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