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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > P30 Disc brake vs drum brake ball joints

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Brian in Michigan

S.E. Mi.

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Joined: 03/13/2003

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Posted: 11/13/22 04:50pm Link  |  Quote  |  Print  |  Notify Moderator

It seems that theres often 4 options for lower ball joints when you look for them;

Motorhome/stripped chassis with rear disc (part number 6511) *this is the correct one*

P30 standard van with rear disc (part number 6175)

P30 with rear drum (part number 6129)

F44 heavy duty chassis (part number 6117) *im not sure what truck these are for*



OK what would be the difference between the stripped chassis and the P-30 with rear disc?


1990 GEORGIE BOY 28' 454 4BBL, TURBO 400 TRANS,
CAMPING: WHERE YOU SPEND A SMALL FORTUNE TO LIVE LIKE A HOMELESS PERSON.

Octaneforce

Long island

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Posted: 11/15/22 08:53pm Link  |  Quote  |  Print  |  Notify Moderator

Brian in Michigan wrote:

It seems that theres often 4 options for lower ball joints when you look for them;

Motorhome/stripped chassis with rear disc (part number 6511) *this is the correct one*

P30 standard van with rear disc (part number 6175)

P30 with rear drum (part number 6129)

F44 heavy duty chassis (part number 6117) *im not sure what truck these are for*



OK what would be the difference between the stripped chassis and the P-30 with rear disc?


Im not sure, its different part numbers so id have to assume chevy did something to change the front end for each application.

I assume the p30 with rear disc means a regular bread truck, and the stripped chassis got some minor change when they built them for rv manufacturers.

To be clear i only did this research as it applies to my 1993 model year, however it seems to be the same confusion for most of the 90’s


1993 fleetwood coronado 30’ class a chuggin along with a tbi 454
An On demand hot water heater was the best thing i ever did

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