Grinding noise from transmission

92Jag · 12-04-2006, 10:15 AM

I took my 78' Scottsdale out yesterday and on my way home the transmission started making sound like two metal disks rubbing on each other right when it is going to leave second gear. When I heard the noise I let off the gas because I did not want it locking up anything. Whats causing the noise and how can I fix it?

mrjohnwayne · 12-04-2006, 11:35 AM

auto or manual?

92Jag · 12-04-2006, 11:47 AM

auto trans, 350 4x4.

gmctrucks · 12-04-2006, 02:27 PM

My 4L60e did the same thing before it shelled out, the wifes van started slipping so I changed the fluild and added a LUCAS transmission additive it fixed it right up I was amazed.

Moostang · 12-04-2006, 03:24 PM

Have you checked the fluid?

mrjohnwayne · 12-04-2006, 10:14 PM

It is hard to say what might be causing the noise. It could be a simple thing such as a u-joint. If it is the transmission making the noise it would have to be torn apart to tell where it is coming from. could be the pump, clutches/steels, or a bad bushing. Sorry I couldnt be more helpful.

12-04-2006, 10:15 AM	#1
92Jag Full Member Join Date: Sep 2005 Posts: 32	Grinding noise from transmission I took my 78' Scottsdale out yesterday and on my way home the transmission started making sound like two metal disks rubbing on each other right when it is going to leave second gear. When I heard the noise I let off the gas because I did not want it locking up anything. Whats causing the noise and how can I fix it?

12-04-2006, 11:35 AM	#2
mrjohnwayne Moderator Join Date: Apr 2005 Location: Texas Posts: 3,221	auto or manual? __________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4

12-04-2006, 03:24 PM	#5
Moostang Senior Moderator Join Date: Apr 2005 Location: Cali-4 Nye-Aye? Posts: 1,378	Have you checked the fluid? __________________ MEOW!! http://moostangproductions.com

12-04-2006, 10:14 PM	#6
mrjohnwayne Moderator Join Date: Apr 2005 Location: Texas Posts: 3,221	It is hard to say what might be causing the noise. It could be a simple thing such as a u-joint. If it is the transmission making the noise it would have to be torn apart to tell where it is coming from. could be the pump, clutches/steels, or a bad bushing. Sorry I couldnt be more helpful. __________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4

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12-04-2006, 11:47 AM	#3
92Jag Full Member Join Date: Sep 2005 Posts: 32	auto trans, 350 4x4.

12-04-2006, 02:27 PM	#4
gmctrucks Senior Member Join Date: Nov 2006 Location: Houston,Texas Posts: 1,970	My 4L60e did the same thing before it shelled out, the wifes van started slipping so I changed the fluild and added a LUCAS transmission additive it fixed it right up I was amazed.

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