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Old 09-04-2018, 05:47 PM   #1
cuetip
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Dizzy Valve Body Mystery Connector Leak

About a year ago I had a reputable transmission shop replace the valve body on my '97 SW1 because it started leaking from the electrical connector area. Ever since then it keeps leaking from there. My transmission shop has tried replacing the seal, using RTV around the seal, thread sealant in the connector bolt hole... I'm going to be taking my car back to them again next week because it's leaking again. Any idea what could be causing this? Is there anything else they can try?

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Old 09-05-2018, 12:57 PM   #2
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Default Re: Valve Body Mystery Connector Leak

Anyone?

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Old 09-05-2018, 03:11 PM   #3
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Default Re: Valve Body Mystery Connector Leak

Hows the transmission fluid level? Where is it leaking from the connector?
Personally, I'd rip a connector off of an old saturn along with the Valve body metal cover. That connector on my car has been on and off numerous times without a leak

Tho, there are better members to answer this question

...
'97 Saturn SL2 @ 134k

Breakin' stuff as we go.

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Old 09-05-2018, 06:25 PM   #4
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Default Re: Valve Body Mystery Connector Leak

Is the xmission vent plugged, preventing normal venting when oil heats up and cools down?

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Old 09-05-2018, 10:25 PM   #5
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Default Re: Valve Body Mystery Connector Leak

Quote:
Originally Posted by fdryer View Post
Is the xmission vent plugged, preventing normal venting when oil heats up and cools down?
Where would the vent be located and how can I check it?

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Old 09-06-2018, 09:54 AM   #6
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Default Re: Valve Body Mystery Connector Leak

The auto's don't have a vent.

Fluid level should be in the "ok" range, not to the top of the 'full'.

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Old 09-06-2018, 11:12 AM   #7
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Default Re: Valve Body Mystery Connector Leak

That's interesting. I assumed the S-series autos have a xmission vent tube like I have on my L300 auto. If the S-series autos are sealed without a vent, this may explain why oil is 'venting' thru the electrical cover.

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Old 09-06-2018, 12:20 PM   #8
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Default Re: Valve Body Mystery Connector Leak

Fluid level was always correct when the leak happened. It was bone dry up until a few years ago. Now it won't stop leaking. There has to be a reason

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Old 09-06-2018, 01:42 PM   #9
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Default Re: Valve Body Mystery Connector Leak

You could try to replace the seal again:
https://www.ebay.com/itm/Saturn-TAAT...gAAOSwNSxVP76f

If a new seal doesn't do it, then the cover may have been damaged.

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Old 09-06-2018, 02:23 PM   #10
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Default Re: Valve Body Mystery Connector Leak

Quote:
Originally Posted by Cheyne View Post
You could try to replace the seal again:
https://www.ebay.com/itm/Saturn-TAAT...gAAOSwNSxVP76f

If a new seal doesn't do it, then the cover may have been damaged.
Thanks for the link! My mechanic said he replaced the seal. I've taken the cover off before when I tried replacing the seal before I took it to the shop. It didn't appear to be damaged. The underside was in immaculate condition. Could it have warped?

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Old 09-06-2018, 02:28 PM   #11
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Default Re: Valve Body Mystery Connector Leak

Cuetip--

What type ATF are you running?

When i used the Valvoline Red (which Lower Viscosity than OEM), my connector weeped a little. OldNuc advises that thinner fluid runs hotter...

After switching to the Valvoline Blue (which very close to OEM viscosity), the shifts were cleaner (more pressure) and the weeping from the connector ceased.
.....................
I think the option of using another cover-with-connector from a wrecking yard is promising. I also think new connectors may be available from PartsGeek or RockAuto....

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Old 09-06-2018, 08:31 PM   #12
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Default Re: Valve Body Mystery Connector Leak

Quote:
Originally Posted by TomM96 View Post
Cuetip--

What type ATF are you running?

When i used the Valvoline Red (which Lower Viscosity than OEM), my connector weeped a little. OldNuc advises that thinner fluid runs hotter...

After switching to the Valvoline Blue (which very close to OEM viscosity), the shifts were cleaner (more pressure) and the weeping from the connector ceased.
.....................
I think the option of using another cover-with-connector from a wrecking yard is promising. I also think new connectors may be available from PartsGeek or RockAuto....
Fascinating... I've been using Amsoil ATF for longer than I can remember: https://www.amsoil.com/shop/by-produ...mission-fluid/

Is this no good for our cars?

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Old 09-06-2018, 09:00 PM   #13
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Default Re: Valve Body Mystery Connector Leak

The Amsoil is fine. cSt 7.5 @ 100C

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Old 09-06-2018, 10:37 PM   #14
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Default Re: Valve Body Mystery Connector Leak

Hmm. What next? Are there any TSBs for this issue?

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Old 09-07-2018, 07:42 PM   #15
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Default Re: Valve Body Mystery Connector Leak

Is the leak coming from inside the connector/buss plate or from between the cover and seal?

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Old 09-08-2018, 01:27 AM   #16
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Default Re: Valve Body Mystery Connector Leak

It's hard to tell. There's fluid in both areas. The foam seal around the connector is soaked in fluid. I wonder if the Amsoil ATF is to blame...

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Old 09-08-2018, 09:38 AM   #17
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Default Re: Valve Body Mystery Connector Leak

The problem is still most likely the seal linked above.

You could always PM Special Forces or call Ken Partin for another opinion and the part.

https://www.ebay.com/itm/SATURN-SL1-...VRQ1A2&vxp=mtr

Last edited by Cheyne; 09-08-2018 at 09:50 AM..

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Old 09-08-2018, 12:58 PM   #18
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Default Re: Valve Body Mystery Connector Leak

Thanks for the link but I'm at the mercy of the transmission shop's discretion for parts. I paid them $1000 to do it (they also did a flush and external filter change too) and it's still under warranty.

Come to think of it, the leak didn't start until after I started using Amsoil ATF. It wasn't immediate though.

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Old 09-08-2018, 01:07 PM   #19
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Default Re: Valve Body Mystery Connector Leak

The shop filled with Amsoil also?

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Old 09-08-2018, 03:37 PM   #20
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Default Re: Valve Body Mystery Connector Leak

Quote:
Originally Posted by Cheyne View Post
The shop filled with Amsoil also?
Yes. I supplied them with correct amount for the job they were doing.

I PMed special forces. We're discussing it now. Any input is still appreciated 🙂

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