What kind of park brake does a 1998 Chevy P30 have?

Our motorhome has a 1998 Chevrolet P30 chassis with the J71 auto park brake. This means that we, along with many others with the Chevy P30 chassis with the J71, have experienced the sudden, and scary, engagement of the park brake while driving—the dreaded Chevy P30 park brake failure.

Is the P chassis the correct name for a motorhome?

We will show you that simply telling the alignment shop that it’s a “P30 Chassis” will almost guarantee you an incorrect alignment. Your Class A motorhome is NOT built on a “P30 Chassis”. The correct general term is a “Motorhome P Chassis”.

Is there a parking pawl in the Chevy P30?

The Chevy P30 chassis automatic transmission does not have a parking pawl in the transmission to set and lock the gears from rotating, thus locking the transmission in place when shifted to Park. This is what keeps vehicles parked in place.

Is the G10 chassis the same as the P30 chassis?

The same chassis series has been used for G10, G20, G30, P20, P30, and Motorhomes under a ’32 – 52′ designation. What’s more, the alignment specs are different for the motorhome chassis because they were made slightly different.

Why are the brake lights not working on my P30?

Doubt it is bad with your other problems. The tailights, four way flashers and brake lights are or should be hot all the time. that elimantes problem with ignition switch. Sounds like there is no power to the fuse for the tailights and no power from the stop/hazard fuse.

Where is the drum brake on a Chevy P30?

Instead, the P30 chassis automatic transmission has a drum brake mounted on the output shaft of the transmission. When the vehicle is in Park or the ignition is off, that brake is applied to keep the transmissions output shaft from turning. This essentially locks the transmission in place and keeps the vehicle parked in place.

What are the operative pages for a 1997 Chevy P-30?

It will pay for itself many times over. For my 1997 Chevy P-30 chassis, the operative pages are 5F-1 to 5F1-12. Failure Failure comes in two flavors. First, something catastrophic happens and the brake is applied stopping the rig. Life sucks.

Is there a problem with my parking brake?

If you believe that a 90 dB pulsating Sonalert and the yellow strobe won’t clue you into a problem and the words “PARKING BRAKE PROBLEM” on the strobe isn’t enough of a hint, hire someone to fix your automatically applied parking brake. This work is not for you. How the Chevrolet or Workhorse parking brake works

What happens if you release the brake while under the motorhome?

The transmission might as well be in neutral. If you release the brake while under the motorhome, an another person isn’t pressing hard on the brake pedal, the motorhome could/will roll. It will take off in whatever direction the laws of gravity decide. I don’t fit under my box.

Where is the parking brake on a Chevy?

This work is not for you. How the Chevrolet or Workhorse parking brake works When the transmission selector is in “park”, the parking brake is applied. The parking brake is a drum brake located on the back of the transmission. The brake is applied two ways. First, one might press the parking brake pedal.

How to reset the parking brake on a GMC Truck?

Chevy GMC Truck Parking Brake Lever Pedal ResetThis is what you need to do to Reset the automatic ratching pedal that is inside the car. On this one the cabl… Chevy GMC Truck Parking Brake Lever Pedal ResetThis is what you need to do to Reset the automatic ratching pedal that is inside the car.

How to unlock the P30 auto park brake?

If your transmission is in Park (P) and the vehicle wont start,and you need to release the automatic parking brake,do the following: 1.)Apply the manual parking brake and turn ignition to RUN. 2.)Push and hold the regular brake pedal down and shift the transmission to NEUTRAL (N). ( CAUTION ) IF YOU ARE NOT HOLDING THE REGULAR BRAKE PEDAL

Is there a parking brake on a 1997 Chevy P-30?

NOTE: THIS IS A 1997 CHEVY P-30 CHASSIS Defeating the auto brake I defeated my automatically applied parking brake after it began failing and showed problems in both the pump and actuator. These are very expensive items. Other owner’s experiences showed the rebuilds will again fail. I still had the pedal applied parking brake in operation.

What is the ugly green Switch on a Chevy P-30?

4. The pump unit. The pump unit has a pump, reservoir for Dextron III automatic transmission fluid and the bastard “ugly green switch”. The bastard ugly green switch is a switch that tells the pump there is enough pressure in the system and it can turn off.

Is the Class A motorhome built on a P30 chassis?

Your Class A motorhome is NOT built on a “P30 Chassis”. The correct general term is a “Motorhome P Chassis”. The P Chassis was also used for what is referred to as a Commercial (Forward Control) truck.

What’s the difference between a P30 and P37 chassis?

The “P30” term is simply too generic to help when specifics are needed. If the 5ththru 7 positions in your VIN number are “P37”, then you have the motorhome version of the chassis. Actually, it is the ‘7’ that tells us we have the motorhome version of the chassis. (See Appendix C for the VIN breakdown.)

How does an electric park brake work on an RV?

To release the electric/auto park brake, move the shift lever on the steering column from the park position. Once the gear selector has been moved from the park position this opens the circuit to the park/neutral switch, in turn closing the park/neutral relay, allowing current to flow to the solenoid valve.

How to troubleshoot your Autopark parking brake system?

Our goal here at rvAutoPark.com, is to supply information that will help coach owners troubleshoot and repair their Chevy P32 Workhorse Chassis, J71 Ver II Auto Park Brake System, as well as other versions. Is your AutoPark actuator cylinder leaking? – – we can help.