Speedometer Cable to Transmission O-ring

Kisner · 07-05-2004, 12:30 PM

I noticed that my transmission is leaking slightly where the speedometer cable goes into the transmission. I purchased a new o-ring and plan on installing this weekend. However, my question is this. Does that particular part of the transmission hold a lot, or any transmission fluid when the engine is off? Just curious if I need to drain the fluid before I pull it out or not? Sure don't want to remove it and have one big mess. Thanks.

Rev · 07-05-2004, 02:54 PM

On my C-4, the fluid level is below the spedo connection. And it doesn't have to be the O-ring leaking. Sometimes it's just the attatchment of the cable housing to the spedo connector that leaks a little. Only a new cable will cure that.

Rev

rwhite65 · 07-06-2004, 01:46 AM

u can change it without it leaking too much. The fluid level is below the speedo hole, but there will be a little residue there anyhow.
Ryan

Kisner · 07-06-2004, 02:13 PM

Hey thanks. I have an aftermarket pan with a drain plug, but I didn't want to drain it if it wasn't necessary. Hopefully, my leak is from the o-ring only. If not, it's not that bad that I couldn't live with it.

07-05-2004, 12:30 PM	#1
Kisner Registered Member Join Date: Nov 2000 Posts: 290	Speedometer Cable to Transmission O-ring I noticed that my transmission is leaking slightly where the speedometer cable goes into the transmission. I purchased a new o-ring and plan on installing this weekend. However, my question is this. Does that particular part of the transmission hold a lot, or any transmission fluid when the engine is off? Just curious if I need to drain the fluid before I pull it out or not? Sure don't want to remove it and have one big mess. Thanks.

07-05-2004, 02:54 PM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	C-4? On my C-4, the fluid level is below the spedo connection. And it doesn't have to be the O-ring leaking. Sometimes it's just the attatchment of the cable housing to the spedo connector that leaks a little. Only a new cable will cure that. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

07-06-2004, 01:46 AM	#3
rwhite65 Ride Hard Join Date: Oct 2000 Location: Wyoming IL Posts: 1,094	u can change it without it leaking too much. The fluid level is below the speedo hole, but there will be a little residue there anyhow. Ryan __________________ 65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored

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07-06-2004, 02:13 PM	#4
Kisner Registered Member Join Date: Nov 2000 Posts: 290	Hey thanks. I have an aftermarket pan with a drain plug, but I didn't want to drain it if it wasn't necessary. Hopefully, my leak is from the o-ring only. If not, it's not that bad that I couldn't live with it.