Shuddering
Senior User
Joined: Feb 2006
Posts: 265
Likes: 0
From: Candler, NC
It sounds to me like an engine miss. Sounds like the same thing mine was doing. I had a couple plug wires that would all ground out at the same rpm. If it is a torque converter shudder, I've fixed that by pouring in limited slip friction modifier into the tranny. I'd do this anyway- its good for the clutches
Junior User
Joined: Mar 2004
Posts: 63
Likes: 0
From: sudbury
Originally Posted by Reckless
Had a shudder when shifting into overdrive gear on my 1994 F-150 XLT with the 5.8L auto. Turned out to be the torque converter. $650 later problem
gone.
gone.
More Turbo
Joined: Jul 2005
Posts: 579
Likes: 7
From: Auburn, CA
I'm betting on the 10 PSI myself! Bummer.
Good troubleshooting pays off most of the time even though it sometimes brings bad news.
You could squirt some oil in the cyl and see if the compression comes way up. I'm betting on valves.
Vince
Good troubleshooting pays off most of the time even though it sometimes brings bad news.
You could squirt some oil in the cyl and see if the compression comes way up. I'm betting on valves.
Vince
Thread Starter
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New User
Joined: Jul 2005
Posts: 8
Likes: 0
Could a blown head gasket cause blow by? I had to drive the truck today about 5 miles. I noticed white smoke when I was taking off. I checked the oil when I got back and it looked milkey. I also had the same thing in the cap. If I unhook the hose from the oil filler neck, I get a lot of smoke (blow by) if I bring the rpms up. I am going to have to tear into this engine to find out what is going on. Goog thing I did not pay much for this truck.
Freshman User
Joined: Oct 2005
Posts: 46
Likes: 0
From: Virginia
My truck just started to shudder badly after it shifts into OD gear, mainly at highway speeds on a level surface. Mechanic said it may be a torque converter. Is there any way for us hacks to troubleshoot a torque converter before shelling out major bucks only to find out it was something else? My old beast is 16 yrs old and has 130K, so I wouldn't surprised at anything going bad! Is this a good time to upgrade the converter, or will that risk putting an unnecessary strain on the 16 yr old engine and transmission? Is a plain ol' remanufactured OEM converter the best way to go?
