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Username Post: 65 impala vibration        (Topic#365531)
grechevy 
Contributor
Posts: 157
grechevy
Age: 70
Loc: delaware
Reg: 01-25-09
06-16-21 11:23 AM - Post#2821675    

65 impala restored 5 years ago frame off everthing new.minor steering wheel vibration between 35-45.no where else at any speed.all suspension parts new moog or trw.over the years 12 different rims,16 different new tires.my alignment shop checked wheels for straightness,tires balanced again and again.driveshaft balanced,steering column rebuilt.added new balanced delco brake drums.nothing has ever made any difference,vibration stays same place.



 


Oshawa65SS 
Frequent Contributor
Posts: 1061

Age: 61
Loc: Grande Prairie AB & N...
Reg: 09-22-14
06-16-21 11:48 AM - Post#2821676    
    In response to grechevy

Is this a three on the tree car perhaps?
Tell us what powertrain you have.
How are the motor mounts and the body mounts since repro body mounts don't fit 65 properly without enlarging some frame holes or carving down some bushing sizes.

Ryan

65 Impala SS Evening Orchid convertible 283 2V with Powerglide and 10 bolt 3.08 open by PO, originally 3.36
Build date Dec. 21 '64 Oshawa


 
1Nighttrain 
Newbie
Posts: 14

Reg: 09-10-19
06-16-21 11:48 AM - Post#2821677    
    In response to grechevy

I had a car problem like this years ago I put it up on a lift and ran the car to determine if it was something in the front or rear. It ended up being a new rear drum, I believe..



 
grechevy 
Contributor
Posts: 157
grechevy
Age: 70
Loc: delaware
Reg: 01-25-09
06-16-21 12:02 PM - Post#2821678    
    In response to 1Nighttrain

thanks for reply car is factory 283 4sp.motor mounts checked.motor mounts original gm bolted in perfectly.as for brake drums this is 2 sets,no difference.three good front end shops have spent hours each on this car.my best shop i have known forever said it is a gremlin.



 
Oshawa65SS 
Frequent Contributor
Posts: 1061

Age: 61
Loc: Grande Prairie AB & N...
Reg: 09-22-14
06-16-21 03:15 PM - Post#2821687    
    In response to 1Nighttrain

  • 1Nighttrain Said:
I had a car problem like this... It ended up being a new rear drum...



Since you mentioned the rear causing steering column vibration it got me thinking about a bent axle shaft?


Ryan

65 Impala SS Evening Orchid convertible 283 2V with Powerglide and 10 bolt 3.08 open by PO, originally 3.36
Build date Dec. 21 '64 Oshawa


 
Impalas4ever 
Poster
Posts: 66

Loc: Northern CA
Reg: 09-24-20
06-16-21 09:04 PM - Post#2821703    
    In response to grechevy

These are never fun, and it sounds like you checked the obvious things. Just to make sure we are understanding. The vibration can "only" be felt in the steering wheel? Not in your feet, or your seat, the door if you lean against it?



 
grechevy 
Contributor
Posts: 157
grechevy
Age: 70
Loc: delaware
Reg: 01-25-09
06-17-21 05:39 AM - Post#2821710    
    In response to Impalas4ever

correct only steering wheel .car has bucket seats while this is happening drivers seat never moves any .thank you.



 
aghaga 
"4th Year" Silver Supporting Member
Posts: 2316
aghaga
Age: 66
Loc: Altavista, Va.
Reg: 07-05-08
06-17-21 05:12 PM - Post#2821741    
    In response to grechevy

Your vibration can be caused if the idler arm has a little looseness without enough toe-in to stabilize tire direction.



 
Impalas4ever 
Poster
Posts: 66

Loc: Northern CA
Reg: 09-24-20
06-17-21 09:13 PM - Post#2821749    
    In response to aghaga

I too was thinking about the idler arm, however he said he has all new components. That doesn't mean he didn't get a bad one, or it has already worn. Back in 88, my wife's new Formula had an idler arm go within a few thousand miles. I was just trying to narrow it down. If it is just in the steering wheel, it should be somewhere from the front wheels to the front suspension through the steering box to the steering wheel.



 
Oshawa65SS 
Frequent Contributor
Posts: 1061

Age: 61
Loc: Grande Prairie AB & N...
Reg: 09-22-14
06-18-21 05:49 PM - Post#2821777    
    In response to Impalas4ever

New parts don't always mean correct either.
My buddy had a 69 428SCJ Mach 1 in his shop with the drag link hitting the oil pan at either corner because the idler arm in the Moog catalog wasn't like factory and threw off the whole geometry.
My pet peeve is parts that sort of fit a lot of applications and exactly fit none.

Ryan

65 Impala SS Evening Orchid convertible 283 2V with Powerglide and 10 bolt 3.08 open by PO, originally 3.36
Build date Dec. 21 '64 Oshawa


 
Texasray 
"5th Year" Gold Supporting Member
Posts: 143
Texasray
Loc: Texas
Reg: 11-01-16
06-20-21 03:30 PM - Post#2821870    
    In response to Oshawa65SS

Find a Old Time garage with a "on the car balance" capability. They will have a machine that after the front tires are lifted can run each tire up independently. That will check each tire, rim & drum at each side. If it is steering linkage it will probably not show up.
I like Aghaga's comment about toe. But I would have thought one of the garages you have used has check and tried different settings.

Sam



 
6T5 
"3rd Year Gold Supporting Member
Posts: 275
6T5
Age: 69
Loc: Asheville, NC
Reg: 07-22-17
06-21-21 11:29 AM - Post#2821903    
    In response to Texasray

I had an old car that had everything done to as the OP has mentioned and I did what you're suggesting and it fixed mine. When you speed balance the wheel and tire to the hub, that wheel and tire and wheel bolt on pattern will have to stay in that exact orientation. There again it worked on my old car at that time...

...Ed

1965 Impala SS


 
995jim 
"5th Year" Platinum Supporting Member
Posts: 699
995jim
Loc: Ohio
Reg: 12-17-06
06-22-21 02:35 PM - Post#2821958    
    In response to grechevy

could be in the tranny...My 2015 silverado has vibrated from day out of the dealership and they started with the torque converter replacement and there was a class action suit for this problem.

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 
bigbowtielover 
Valued Contributor
Posts: 2677
bigbowtielover
Loc: Surrey British Columbia
Reg: 09-01-13
06-26-21 04:15 PM - Post#2822145    
    In response to grechevy

Check wheel hub bearings. My car does same thing and I know its the bearings. The rollers were all pitted . I changed the inner bearing and race and it is 50% better. Just waiting for the new outer set to come in.



 
hemiguy 
Newbie
Posts: 6

Reg: 09-11-18
06-30-21 06:44 AM - Post#2822356    
    In response to grechevy

Hi.
You may have already checked, but how are the front shock absorbers?
You may need to remove them to check.



 


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