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Fleet Mechanic
Joined: Nov 2004
Posts: 1,857
Likes: 5
From: Northern CA
Got a vibration
Hey. Picked up an old beater for my son to drive.
A '91 F150 4X4 with an auto & 302. I've put new wheels & tires on it and it drives pretty good, but I have a vibration at highway speed.
U-joints? Something else?
Also, would it be a waste of $ to put some headers on an engine with 125K on it?
gw
A '91 F150 4X4 with an auto & 302. I've put new wheels & tires on it and it drives pretty good, but I have a vibration at highway speed.
U-joints? Something else?
Also, would it be a waste of $ to put some headers on an engine with 125K on it?
gw
Elder User
Joined: Jul 2010
Posts: 960
Likes: 3
From: Saint Charles, Missouri
were the wheels and tires balanced?
Check the motor mounts, tranny mount, and it wouldn't be a bad idea to just go ahead and replace the u-joins anyways since they're cheap.
As for the headers, no its not a bad idea, but will it work with the existing exhaust routing?
Check the motor mounts, tranny mount, and it wouldn't be a bad idea to just go ahead and replace the u-joins anyways since they're cheap.
As for the headers, no its not a bad idea, but will it work with the existing exhaust routing?
Thread Starter
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Fleet Mechanic
Joined: Nov 2004
Posts: 1,857
Likes: 5
From: Northern CA
were the wheels and tires balanced?
Check the motor mounts, tranny mount, and it wouldn't be a bad idea to just go ahead and replace the u-joins anyways since they're cheap.
As for the headers, no its not a bad idea, but will it work with the existing exhaust routing?
Check the motor mounts, tranny mount, and it wouldn't be a bad idea to just go ahead and replace the u-joins anyways since they're cheap.
As for the headers, no its not a bad idea, but will it work with the existing exhaust routing?
I think if my wheels were out of balance, I'd get shaking in the steering wheel which I don't have. Plus it was all new, with an alignment, to the tune of about $1400 bux.
I never thought about mounts. I'll give them a look.
Are u-joints as easy to replace as they look?
Elder User
Joined: Jul 2010
Posts: 960
Likes: 3
From: Saint Charles, Missouri
I had a vibration at highway speeds and it drove me insane because it felt like it was riht underneith me. Come to find out it was my tranny mount cracked.
And yes, with a few simple tools, you can change your u=joints in less than 45 min., if you need it, i can guide you through how to do it with basic tools
And yes, with a few simple tools, you can change your u=joints in less than 45 min., if you need it, i can guide you through how to do it with basic tools
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Fleet Mechanic
Joined: Nov 2004
Posts: 1,857
Likes: 5
From: Northern CA
Again, Thanks.
U-joints R&R looks pretty straight forward. Unless there is something that's not obvious, it doesn't look any harder than replacing shocks or doing brakes.
U-joints R&R looks pretty straight forward. Unless there is something that's not obvious, it doesn't look any harder than replacing shocks or doing brakes.
I had a vibration at highway speeds and it drove me insane because it felt like it was riht underneith me. Come to find out it was my tranny mount cracked.
And yes, with a few simple tools, you can change your u=joints in less than 45 min., if you need it, i can guide you through how to do it with basic tools
And yes, with a few simple tools, you can change your u=joints in less than 45 min., if you need it, i can guide you through how to do it with basic tools
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