R17 front springs
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  1. #1
    Fellow Frogger! Shoji's Avatar
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    Default R17 front springs

    I'm confused as usuall.
    The renault repair manual for my 17 states there are two types of springs
    One with spring thicknes of 13.8mm and the other 14.35, there abouts.
    One with 9 coil layers and the other 7. The 7 stated as special.
    On the weekend schlitzaugen though it looked strange. We had a look and there is hardly any gap between the coils. We couldn't get our fingers between the coils.
    I took a pic today and measured the thickness with digi calipers.
    It seems I have the 9 coil and with a thickness of 14.35

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    Which is the better spring for our roads?
    I haven't changed the shocks yet but am worried the coils look as though they may touch when bounced over rough roads. Bottom out with a thud.
    Appreciate some thoughts
    R17 front springs-img_20170517_125846264.jpg
    Cheers. John
    “Listen very carefully, I shall say this only once.”

  2. #2
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    Default

    I'll check my 2 X TS's tomorrow and see what they are like. I can also check the Gordini but it has no engine so the compression will be wrong. I imagine a 17TL will be similar to a 15TS I can check that as well as I have both. It certainly doesn't look right does it.

  3. #3
    Simon's Avatar
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    Is the car bottoming out, or are there signs of the spring becoming coil bound - such as shiny rub marks on the top of the coils?
    1963 Renault R4 Van
    1964 Renault R4
    1967 Volkswagen 1300 Deluxe
    1969 Renault 8 Gordini 1300
    2005 Renaultsport Clio 182 Cup

  4. #4
    Fellow Frogger! Shoji's Avatar
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    I would have to check that Simon. And i will tomorrow at work. I'll whip of one the wheels and have a gander
    And your right Sunroof, they seem way to close
    One shocky is spongy and the other working ok.
    Mark, the last owner never got around to changing them because he couldn't find someone willing to do it.
    Here is the workshop manual for 15/17 on the springs.
    9 coils seem right for my 1312 but not the thickness. They do measure 14.3
    Front height looks ok though.
    Pic of right hand side is the same.
    Comparison with another tl 1312 would be good
    R17 front springs-img_20170517_181855978.jpgR17 front springs-img_20170517_185728842.jpg
    Last edited by Shoji; 17th May 2017 at 09:03 PM.
    Cheers. John
    “Listen very carefully, I shall say this only once.”

  5. #5
    Fellow Frogger!
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    As Simon has suggested look for signs of coil bound rub marks.
    BUT don't forget the shock is mounted around mid point of the top
    control arm, so the travel at the wheel will be more than the spring/shock travel.

  6. #6
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    Ok the R17 TS's have 14.7mm wire with a 17 mm gap and about 7 coils. The R15 1302 and R17 TL 1312 have about 8.5 coils I would say but perhaps 9 they are also 14.7 mm. Bit hard for me to see as they are parked very close and I had to lie on the mud guard and feel about. There are 6 different front springs for these cars and they relate to first assembly, second assembly and road conditions expected in each country. There are normal to sub standard roads, special versions, those with 810 engines and those with 800 series engines, as well as automatic. The springs have a dob of coloured paint to indicate which they are for, I believe my 17TS 1317 had a dob of blue which indicates special version. I didn't get a gap for the 1312 as it has no engine although perhaps my weight would have been close.

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