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98 Expy...Constant Blown Front shocks...

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Old Jun 20, 2006 | 05:07 PM
  #1  
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Jim V
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Question 98 Expy...Constant Blown Front shocks...

Having a major problem i can't seem to get to the bottom of...Have tried numerous good brands...good shocks...Like Bilstein...Rancho 5000's...and most recently the Rancho 9000's...The longest I seem to get out of each set is about 10-12 months...and thier dead....i do have a cooler rack attached to the front for surf fishing...but the weight is very mininual....Have talked to numerous speed shops....had it looked at a few times by tire stores...mech....About to throw the towel in....I have never abused this truck...and the closest i come to four wheeling is driving on the beach....any help or suggestions will be greatly appreciated.....Thanks Guys.....Jim
 
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Old Jun 20, 2006 | 07:47 PM
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What analysis did you use to determine the shocks were blown?
 
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Old Jun 21, 2006 | 01:01 PM
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Are they leaking?

You installed some of the best shocks made, so I have no idea how or why they are all failing so quickly.
 
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Old Jun 22, 2006 | 08:45 PM
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The only thing that I can think of is that the front suspension is being allowed to compress more than originally designed. Unfortunately my Expy is gone and I can't check it out, but I assume that the front suspension has bumpstops that limit it's degree of compression. If they're worn or missing, the excess compression when hitting a bump may be allowing the shock to compress more than it is designed to do, damaging the shock.

What size wheels/tires are on your Expy? If they're a lot heavier than factory, the shocks have a more difficult time controlling tire/wheel rebound.
 
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Old Jun 23, 2006 | 10:21 AM
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Originally Posted by PaulC
The only thing that I can think of is that the front suspension is being allowed to compress more than originally designed.
But wouldn't this only happen if the Expy were used in "extreme" conditions like treacherous offroading?
 
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