How big is a master cylinder in a GMC motorhome?
Another common choice is a 34mm (or 1-5/16″) master cylinder with a large rectangular fluid reservoir. This size master cylinder provides sufficient bore and reservoir capacity for an all-disc brake system, but also has some drawbacks.
Where to get parts for a Georgie Boy motorhome?
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Are there master cylinders for a GMC coach?
All the master cylinders used on our coaches can be found listed under Chevy/GMC 1971-1992 P30 van applications. There were a wide variety of units available for those vehicles though, and many are not usable on a GMC Motorhome.
What was the original GMC master cylinder number?
The cross reference is GM part number 14009146, or a 1979-1995 GMC/Chevy P30 or P3500 van with all wheel disc brakes. NOTE: The original master cylinder had the rear brake lines coming off the front reservoir.
Another common choice is a 34mm (or 1-5/16″) master cylinder with a large rectangular fluid reservoir. This size master cylinder provides sufficient bore and reservoir capacity for an all-disc brake system, but also has some drawbacks.
All the master cylinders used on our coaches can be found listed under Chevy/GMC 1971-1992 P30 van applications. There were a wide variety of units available for those vehicles though, and many are not usable on a GMC Motorhome.
The cross reference is GM part number 14009146, or a 1979-1995 GMC/Chevy P30 or P3500 van with all wheel disc brakes. NOTE: The original master cylinder had the rear brake lines coming off the front reservoir.
Where are the brake lines on a GMC master cylinder?
The cross reference is GM part number 14009146, or a 1979-1995 GMC/Chevy P30 or P3500 van with all wheel disc brakes. NOTE: The original master cylinder had the rear brake lines coming off the front reservoir. The 34mm type master cylinders have the rear brakes attached to the rear reservoir.
