 Transmission Leak, Speedometer Sensor |
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| sharper |
 Sep 13 2020, 04:08 PM
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#1
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Member  Group: Members Posts: 146 Joined: 5-June 03 From: Woodstock, GA Member No.: 789 Region Association: South East States  |
I have a leak in my transmission that is coming from the speedometer sensor in my 915 transmission. I have the style in the pic because its been flipped for a 914. It was fine on the bench but starting doing this once I got it installed in the car. Currently the back end of the car is up so its tilted down towards the bell housing. I'm now on the hunt for a new o-ring (the ones I had were too thick) in hopes that stops it but was wondering about putting some gasket sealer on it as well for added protection. Any other ideas on this? I just replaced all other seals on this transmission and want to get this one stopped too.
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| sharper |
Sep 17 2020, 09:32 AM
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#2
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Member Group: Members Posts: 146 Joined: 5-June 03 From: Woodstock, GA Member No.: 789 Region Association: South East States |
Anyone have any thoughts on this?
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| Mikey914 |
Sep 18 2020, 07:57 AM
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#3
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The rubber man Group: Members Posts: 12,679 Joined: 27-December 04 From: Hillsboro, OR Member No.: 3,348 Region Association: None 
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Well,
I suspect it's a issue similar to the one we made the cable drive bushings for. We added an extra o ring to help seal it. I do have a selection of viton o-rings, what size do you need? Attached thumbnail(s) 
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| sharper |
Sep 18 2020, 03:47 PM
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#4
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Member Group: Members Posts: 146 Joined: 5-June 03 From: Woodstock, GA Member No.: 789 Region Association: South East States |
QUOTE(Mikey914 @ Sep 18 2020, 09:57 AM)  Well, I suspect it's a issue similar to the one we made the cable drive bushings for. We added an extra o ring to help seal it. I do have a selection of viton o-rings, what size do you need? The green one on the left is the one that came off the sensor. I didn't have any luck at auto parts stores but found the black one in the plumbing department at Home Depot. Its dimensions are 9/16" O.D x 7/16" I.D. x 1/16" but could not get the sensor to push into the transmission case when using it. The green one looks like it is just slightly thinner and I guess that makes all the difference in the world.  |
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