XJ40 ( XJ81 ) 1986 - 1994

Driver seat rocking

 
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Old 03-22-2019, 07:31 PM
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Default Driver seat rocking

The driver seat in my 1988 Vanden Plas rocks forward when I brake, and backward when I accelerate. The rail bolts are secure to the floor. It's not a huge problem, but I was wondering if anyone has any easy fix?

 
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Old 03-23-2019, 09:06 AM
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If the bolts that anchor the seat to the floor pan are tight and secure then another point of concern might be where the seat back frame attaches to the seat track. If you remove the seat cushion, you will see 4 torx (T40) bolts that secure the seat back frame to the seat track. There should be 4 thick washer/spacers in between the frame bottom and the track. Great looking car. I wish my BBS wheels looked like yours (life in MI...salt..snow).
 
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Old 03-23-2019, 03:05 PM
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Retroren,
I didn't know how to access where the seat back attaches to the rail. Removing the seat cushion says it all. Thanks.
 
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Old 03-24-2019, 09:14 AM
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Ernst, you only need to remove a single screw on the bottom front end of the seat cushion to remove it. Ingenious design.
 
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Old 03-25-2019, 06:07 AM
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Hmmmmmm. Now I have to try that too!
 
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Old 03-25-2019, 08:20 PM
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Originally Posted by retroren View Post
Ernst, you only need to remove a single screw on the bottom front end of the seat cushion to remove it. Ingenious design.
Our '93 front seats had two screws along the front edge. I don't know if this was a model year difference or that the VDP seats were different. You can just make out the screws in this photo:



Cheers,

Don
 
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Old 03-25-2019, 10:11 PM
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I don't know if this was a model year difference or that the VDP seats were different.
Not this VDP, two screws here too

Larry
 
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