All my truck cab to frame bolts are loose? - Dodge Cummins Diesel Forum
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post #1 of 6 (permalink) Old 08-14-2019, 05:19 PM Thread Starter
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All my truck cab to frame bolts are loose?

My truck was making a rattle noise when braking so looking underneath I noticed all the cab to frame bolts are loose. They won't tighten. Are these caged nuts that have stripped or can you access them from the interior?


93 Club Cab D250 LE Getrag, 3200 rpm governer spring, Bosch 190 injectors, Banks "Quick Spool" exhaust housing, GDS 58mm compressor upgrade, Banks 3.5" exhaust, 60# exhaust valve springs, Pacbrake
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post #2 of 6 (permalink) Old 08-14-2019, 05:46 PM
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Once you pull up the carpet there will be plugs in the floor boards to access the bolts.

1984/93 Dodge Crewcab, W350, 1 Ton SRW, long box, 370K Km's, hydroboost, 366 spring, fuel pin to deep side, 14cm housing, Piston LP, PS IC, Isspro Boost, Pyro and tach, NV4500, 29 spline NP205, 3.54's.
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post #3 of 6 (permalink) Old 08-14-2019, 06:21 PM Thread Starter
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Quote:
Originally Posted by thrashingcows View Post
Once you pull up the carpet there will be plugs in the floor boards to access the bolts.
That's dang good news. On my Chevelle they were caged and guys in the rust belt had a heck of a time with them. I feel better now😁

93 Club Cab D250 LE Getrag, 3200 rpm governer spring, Bosch 190 injectors, Banks "Quick Spool" exhaust housing, GDS 58mm compressor upgrade, Banks 3.5" exhaust, 60# exhaust valve springs, Pacbrake
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post #4 of 6 (permalink) Old 08-16-2019, 09:50 AM
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Those bolts have steel sleeves inside the rubber bushing to control how tight the bolts are allowed to crush the rubber mounts down to. If the bolts are loose you most likely need new cab mounts.

2014/93 W350 DRW, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, Super HX40/16, G56 SBC Con-OFE, 3:07's axles, 2" skyjacker lift, air ride rear suspension,B&W flatbed
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post #5 of 6 (permalink) Old 08-16-2019, 01:15 PM Thread Starter
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Originally Posted by Philip View Post
Those bolts have steel sleeves inside the rubber bushing to control how tight the bolts are allowed to crush the rubber mounts down to. If the bolts are loose you most likely need new cab mounts.

Oh hey thanks! That will save me a trip. Hopefully still available.

93 Club Cab D250 LE Getrag, 3200 rpm governer spring, Bosch 190 injectors, Banks "Quick Spool" exhaust housing, GDS 58mm compressor upgrade, Banks 3.5" exhaust, 60# exhaust valve springs, Pacbrake
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post #6 of 6 (permalink) Old 08-16-2019, 04:34 PM
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Originally Posted by chevjerico View Post
Oh hey thanks! That will save me a trip. Hopefully still available.
Not from the dealer. They went N/A about 4 years ago. There are poly cab mounts on the market. They do transmit more road noise than the stock rubber do.

2014/93 W350 DRW, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, Super HX40/16, G56 SBC Con-OFE, 3:07's axles, 2" skyjacker lift, air ride rear suspension,B&W flatbed
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