Leak: What is it? Why? How do I fix it? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Rc 415 · 02-05-2007, 07:43 PM

Ok well I think its transmission fluid, how do I stop it from leaking? It isnt a bad leak, I wiped it down yesterday and so far all that has formed so far is what you see there, it has not dripped yet.

**swervin ervin** · 02-05-2007, 08:42 PM

That's the speedometer cable. You fix it by putting in a new seal. Unscrew the cable and you will see the seal.

Oops. Forgot to say it might just be loose too.

Restrorob · 02-05-2007, 08:47 PM

There is a small seal inside that speedo gear-head housing. The easiest way is jack the rear of the truck high and remove the cable then the gear-head housing. Slide the gear out of the housing then stick a small screw driver in place of the gear pushing the seal out. Be careful because there is a small wire ring holding the seal in place on the outside.

They do have tools to remove and re-install this seal without removing the gear-head housing but they are a bit expensive.

02-05-2007, 07:43 PM	#1
Rc 415 Flat Black, & Chrome! Join Date: Jan 2007 Location: San Francisco Posts: 852	Leak: What is it? Why? How do I fix it? Ok well I think its transmission fluid, how do I stop it from leaking? It isnt a bad leak, I wiped it down yesterday and so far all that has formed so far is what you see there, it has not dripped yet. __________________ 1983 Chevy C10 Stepside Sold http://s69.photobucket.com/albums/i76/rc_415/

02-05-2007, 08:42 PM	#2
swervin ervin You get what you pay for Join Date: Dec 1999 Location: Cherryville, NC Posts: 4,798	Re: Leak: What is it? Why? How do I fix it? That's the speedometer cable. You fix it by putting in a new seal. Unscrew the cable and you will see the seal. Oops. Forgot to say it might just be loose too. __________________ Mike 1985 Chevy C-10 Last edited by swervin ervin; 02-05-2007 at 08:42 PM.

02-05-2007, 08:47 PM	#3
Restrorob The One And Only !!! Join Date: Jan 2007 Location: Hole in the woods Florida Posts: 4,567	Re: Leak: What is it? Why? How do I fix it? There is a small seal inside that speedo gear-head housing. The easiest way is jack the rear of the truck high and remove the cable then the gear-head housing. Slide the gear out of the housing then stick a small screw driver in place of the gear pushing the seal out. Be careful because there is a small wire ring holding the seal in place on the outside. They do have tools to remove and re-install this seal without removing the gear-head housing but they are a bit expensive. __________________ 93 Jeep XJ 88 Buick La Sabra Toys; 88 TA-GTA in the works.... 97 GMC Ext. Cab 502 Crate 5 Spd......Sucks Gas But Haulz Azz ! The primary function of an Engineer is to make it difficult for the Fabricator and impossible for the Mechanic. *"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!* Last edited by Restrorob; 02-05-2007 at 08:53 PM.

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