05-03-97 Page 6
11. Inspect the combination valve in front of the booster housing to verify that the correct valve has been installed on the vehicle. All Dodge Ram trucks are equipped with a metering valve and a differential pressure switch located internal to the combination valve. Only some trucks have a proportioning valve. If the truck has a proportioning valve, it will have a hex visible with a rubber plug over it on the rear side of the combination valve. Refer to the following chart for identifying correct brake components.
| STANDARD BRAKE COMPONENTS | ||||
| MODEL | CALIPER SIZE | WHEEL CYLINDER BORE SIZE |
DRUM BRAKE SIZE |
PROPORTIONING VALVE |
| 1500 | 75mm | 23.8mm | 11"x2" | Yes |
| 2500 7500 GVVV 8800GVVV (4X2 Only) |
80mm | 23.8mm Dana 70/80 Can Receive 27mm per TSB |
13"x2.5" | No |
| 2500 8800 GVW (4x4 Only) |
86mm | 23.8mm Dana 70/80 Can Receive 27mm per TSB |
13"x2.5" | (1995 and newer YES) |
| 3500 | 86mm | 27mm | 13"x3.5" | No |
12. Reassemble the rear brakes and install all four tire/wheel assemblies.
STEERING AND SUSPENSION INSPECTION.
1. Remove any component on the vehicle that may cause a change in curb height (e.g. snow plow), if possible.
2. Inspect the condition, and size of all tires. Replace any tire(s) that is/are worn, damaged, or of the incorrect size. Also, verify that all four tires are of the same brand.
3. Inflate all tires to the pressure specified in the Tire Inflation Pressure sheet (located in the glove box).
4. Inspect all wheels to verify that the wheels are of the correct size, offset, and are not bent/damaged. Replace any bent/damaged wheel or wheel(s) that islare not of the correct size or do not have the correct offset.
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