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  1. #1
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    Default Front shock mounting hole in fender

    Does anyone know what the hole in the front fender where the shock stem goes through should measure? When I was at the Jeep Jambo in Ark. last month I noticed my front end had a knock in it. Upon returning home the rubbers were squished out and the shocks were loose enough to move by hand. They were only 3 months old. I replaced them with some I found around the shop but then they were soon squeezing through the hole. I took everything off and measured the holes. They measure approx. .900". I thought that maybe they were wallowed out but both hole are the same size. Something seems wrong to me, like something is missing. Any help out there?

  2. #2
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    Default Re: Front shock mounting hole in fender

    can ya post a pic mate
    keeping it red........

    I DRIVE A BARBIE JEEP

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  3. #3
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    Default

    Yeah a pic please. Only other thing I was thinkin was have you been wheelin on rocks alot? The constant flexin over the rocks somehow could have been moving front end back and forth to the point that it wallored the holes


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    Default Re: Front shock mounting hole in fender

    They are supposed to be 5/8"
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    Here's a pic of mine if it helps, best one i have of that area anyways.

    Click image for larger version. 

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    Last edited by XJ Wheeler; 11-18-2012 at 01:47 AM.

  6. #6
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    Default Re: Front shock mounting hole in fender

    Seems bit bigger than 7/8". Guessing based on spec of shock mount converter:

    http://tal4x4.com/jks-suspension-sho...-wrangler/9601
    '91 XJ Limited | 4.0 H.O. I6 | AW-4 | NP242J | D30 | C8.25 | BFG KM2 33x10.50x15 | front winch bumper ...

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    Default Re: Front shock mounting hole in fender

    found a spec of bushing for XJ front upper:

    1/2" thick, 1-3/8 OD, 3/8 ID for the stud, the raised area (fits into the hole in the body) is 3/32 tall, and has a diameter of 27/32".

    So the hole diameter is 27/32"
    '91 XJ Limited | 4.0 H.O. I6 | AW-4 | NP242J | D30 | C8.25 | BFG KM2 33x10.50x15 | front winch bumper ...

  8. #8
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    Default Re: Front shock mounting hole in fender

    Thanks for the replies. Did I mention, this is a 97 model if it makes any difference. As for the wallowed out theory, I thought so too until I measured both sides with a set of dial calipers. A nice round hole with the same measurements does not look like wallowing to me. The size is .025" over 7/8" which gives precidence to Oderdene's reply.
    As for 4.3XJ's 5/8" answer, the rubber bushing (or what's left of it) that came with the shocks (from Rocky Road) that supposed to fit in between the fender well measures in @ 5/8" by tape measure.
    So it seems that there is supposed to be a bushing that fits in the .900" hole that bushes it down to around 5/8". My question then becomes, is it supposed to be tacked on with a welder or is it just loose and comes out when the shock is removed? If this is the case, I can probably build some bushings and tack them in. And, where do I get new shock rubbers?

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    Default Re: Front shock mounting hole in fender

    Quote Originally Posted by oderdene View Post
    found a spec of bushing for XJ front upper:

    1/2" thick, 1-3/8 OD, 3/8 ID for the stud, the raised area (fits into the hole in the body) is 3/32 tall, and has a diameter of 27/32".

    So the hole diameter is 27/32"
    Fits into the hole in the body .... from the top or bottom, tacked or loose?

  10. #10
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    Default Re: Front shock mounting hole in fender

    '91 XJ Limited | 4.0 H.O. I6 | AW-4 | NP242J | D30 | C8.25 | BFG KM2 33x10.50x15 | front winch bumper ...

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    Default Re: Front shock mounting hole in fender

    Quote Originally Posted by oderdene View Post
    Perhaps, but I noticed they are for XJ's up to 96. I wonder why? What would be the difference? So many questions!

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    Default Re: Front shock mounting hole in fender

    On second thought, that is 7/8". Brain fart. The bushings are supposed to be like Od shows above. They have a raised portion to fit the hole and not allow the shock shaft to touch metal. You may just not have the right bushings for your shocks.
    230 hp 4.3L Chevy
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    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
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    And a bunch of other stuff

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    Default Re: Front shock mounting hole in fender

    Quote Originally Posted by 4.3LXJ View Post
    On second thought, that is 7/8". Brain fart. The bushings are supposed to be like Od shows above. They have a raised portion to fit the hole and not allow the shock shaft to touch metal. You may just not have the right bushings for your shocks.
    OK, so here is another question, If I go with the polyurethane bushings, Do I use them on top and retain the lower rubbers or go top and bottom? It looks as though with the shoulder (or raised portion) that fits in the fender to keep it centered I would only need to use them on the top. I'm not familiar with the polyurethane, I'm thinking they are harder than the rubber bushing. Will they squeeze down when tightening the nut & washer?

  14. #14
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    Default Re: Front shock mounting hole in fender

    I am not sure I understand your question, but you sandwich the fender well between the two bushings. This insulates the shock from the body and the lower mount does the same for the axle.
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  15. #15
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    Default Re: Front shock mounting hole in fender

    Quote Originally Posted by 4.3LXJ View Post
    I am not sure I understand your question, but you sandwich the fender well between the two bushings. This insulates the shock from the body and the lower mount does the same for the axle.
    So I would need a set of 4. One under the fender and one on top on each shock? Does the poly compress much when tightening?

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