Help! Looking for 700R4 Speedometer Gear Seal - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**pjmoreland** · 06-02-2005, 03:19 PM

Does anyone know where I can buy the seal for the speedometer driven gear for a 700R4 transmission? The auto parts stores around here don't list them in their computers, and the Chevrolet dealership is telling me the only way to get the seal is to purchase a set of seals for the entire transmission for a whopping $130. Any ideas? This is the seal that presses into the end of the gear housing and is held in by a little snap-ring.

skokie · 06-02-2005, 04:12 PM

Are you talking about the aluminum housing that goes into the tranny that the driven or speedo gear goes into? I got mine from a local tranny shop. Also this site may help.
http://www.transmissioncenter.net/35...erformance.htm

**pjmoreland** · 06-02-2005, 05:07 PM

Thanks for the link. I'll contact them to see if they have what I'm looking for. I need the little round seal that goes in the end of the housing where the speedometer cable sticks in to engage the driven gear. The driven gear had grooves worn in it by the seal so I replaced the driven gear. The leak isn't as bad, but it is still leaking.

**pjmoreland** · 06-02-2005, 05:12 PM

I just called transmissioncenter, and they had what I'm looking for. It's going to cost me $1 plus shipping. Thanks skokie!!

Tiresmokin · 06-02-2005, 05:31 PM

Quote:

Originally Posted by pjmoreland

I just called transmissioncenter, and they had what I'm looking for. It's going to cost me $1 plus shipping. Thanks skokie!!

The dealer is a good place for stuff like that. $1 is hard to beat!

**pjmoreland** · 06-02-2005, 05:35 PM

Last week I stopped by the dealer and asked them about this part. They said that I would have to buy an entire transmission seal kit in order to get this seal, which would run me $130.

06-02-2005, 03:19 PM	#1
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,011	Help! Looking for 700R4 Speedometer Gear Seal Does anyone know where I can buy the seal for the speedometer driven gear for a 700R4 transmission? The auto parts stores around here don't list them in their computers, and the Chevrolet dealership is telling me the only way to get the seal is to purchase a set of seals for the entire transmission for a whopping $130. Any ideas? This is the seal that presses into the end of the gear housing and is held in by a little snap-ring.

06-02-2005, 04:12 PM	#2
skokie Registered User Join Date: Oct 2003 Location: San Jose Ca. Posts: 3,354	Are you talking about the aluminum housing that goes into the tranny that the driven or speedo gear goes into? I got mine from a local tranny shop. Also this site may help. http://www.transmissioncenter.net/35...erformance.htm __________________ RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234

06-02-2005, 05:07 PM	#3
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,011	Thanks for the link. I'll contact them to see if they have what I'm looking for. I need the little round seal that goes in the end of the housing where the speedometer cable sticks in to engage the driven gear. The driven gear had grooves worn in it by the seal so I replaced the driven gear. The leak isn't as bad, but it is still leaking.

06-02-2005, 05:12 PM	#4
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,011	I just called transmissioncenter, and they had what I'm looking for. It's going to cost me $1 plus shipping. Thanks skokie!!

06-02-2005, 05:35 PM	#6
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,011	Last week I stopped by the dealer and asked them about this part. They said that I would have to buy an entire transmission seal kit in order to get this seal, which would run me $130.



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