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  #1  
Old 05-01-2013, 03:50 PM
FordRanger43 FordRanger43 is offline
1992 Ford Ranger Custom
 
Join Date: Apr 2013
Posts: 24
Default Noise behind cab

Hi i have a 1992 Ranger Custom with an extra cab or super cab or whatever you would like to call it, and I've noticed a small rattle noise over small bumps that i haven't heard before. The noise is coming from right behind the cab. A few weeks ago i hauled about 1500-2000 lbs of dirt in it and i was wondering if that had anything to do with it. if anyone has had the same noise, please let me know. Thanks!!!!
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  #2  
Old 05-01-2013, 05:46 PM
Monkeee2002 Monkeee2002 is offline
Stale Newbie
 
Join Date: Sep 2012
Posts: 1,023
Default Re: Noise behind cab

You exceeded the load rating for a Ranger, so who knows what was done.

I would suggest that you :
(A) check to make sure the front bulkhead didn't bow out. The bed & cab flex separately over bumps. If the front bulkhead gets bent enough, it can contact the cab.

(B) Check the tailgate for any damage, if it isn't shutting the same as before, it might make different noises. An empty bed can really "telescope" the noises, making a noise that's pretty much anywhere behind the cab, sound like it's right behind the cab.

(C) Check your suspension components for damage.

(D) verify that your spare tire is fastened tightly. If the bed was pressed down, the that pressure released, your spare tire might not be stowed as snugly as before.

(E) if the payload had any rocks in it (any at all) then you might want to check every nook & cranny underneath, to see if there is a rock/pebble wedged in somewhere, that might be squeaking when you hit bumps. Between the bed & frame is a place where pebbles like to hitch rides.

Welcome to the forum, good luck finding your rattle!
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  #3  
Old 05-01-2013, 09:12 PM
FordRanger43 FordRanger43 is offline
1992 Ford Ranger Custom
 
Join Date: Apr 2013
Posts: 24
Default Re: Noise behind cab

Quote:
Originally Posted by Monkeee2002 View Post
You exceeded the load rating for a Ranger, so who knows what was done.

I would suggest that you :
(A) check to make sure the front bulkhead didn't bow out. The bed & cab flex separately over bumps. If the front bulkhead gets bent enough, it can contact the cab.

(B) Check the tailgate for any damage, if it isn't shutting the same as before, it might make different noises. An empty bed can really "telescope" the noises, making a noise that's pretty much anywhere behind the cab, sound like it's right behind the cab.

(C) Check your suspension components for damage.

(D) verify that your spare tire is fastened tightly. If the bed was pressed down, the that pressure released, your spare tire might not be stowed as snugly as before.

(E) if the payload had any rocks in it (any at all) then you might want to check every nook & cranny underneath, to see if there is a rock/pebble wedged in somewhere, that might be squeaking when you hit bumps. Between the bed & frame is a place where pebbles like to hitch rides.

Welcome to the forum, good luck finding your rattle!
Thanks for your response. the cab and bed do flex separately, the tailgate is opening and closing properly, and i replaced the rear shocks with rancho xl9000s after the haul. I found that if i jump near the rear of the bed i will get the same sound. it appears to be coming from the passenger side at the rear of the bed. I will troubleshoot more tomorrow. Thanks once again!
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1992, bump, cab, noise, rattle

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