It is a rare occasion when both of these two Automobile Park brake actuators must be totally changed. But, both are subject matter to failure resulting from leaking seals.
With the above element number, It's also advisable to be capable of head over to an honest automobile areas store like NAPA or CarQuest, and possess them buy it on an right away basis. They could need to are aware that this is the GM part number to allow them to do a cross-reference.
We’ve penned a independent facts sheet on the varied repair selections as we see them. If it is a matter of interest for you, we is going to be glad to share more info. You will find DIY concerned alternatives that will help save you lots of money.
 When the leak is so lousy which you can’t continue to keep the reservoir topped off for just about any period of time, then you are aware of the seal needs speedy attention
This can be the switch after elimination. When your cylinder includes a swap like this, you'll want to just take it off ahead of shipping the cylinder. This needs an eleven/sixteen inch open conclude wrench.
This offer contains textual content, circuits and diagrams that describe an auxiliary dashboard warning mild technique. It operates independently of, and Besides the normal AutoPark dash light.
Chock your wheels – – you’ll be receiving under the rig Except if it is a 2001 or later wherein case the pump/reservoir and RGS are up in the front in the coach – – driver’s facet because of the radiator.
A “companion†generate up that goes as well as this a person you happen to be reading through, is titled “How It Works.†In that produce up, You will find there's picture (with annotations) of an AutoPark parking brake with the drum removed. It is possible to see the shoes, levers, springs etc. Having that produce up before you as you read this
Occasionally, an individual suggests they don’t have an AutoPark Light on their cluster, and investigation proves there is nothing about the printed circuit the place it ought to be. Further more investigation might clearly show the circuit was printed for Various other chassis – – at times a diesel chassis the place it will eventually exhibit glow plugs or something like that. We are able to’t make clear this or inform you why it has happened. It just takes place being like that often.
Transfer bar (dunno what it is correctly referred to as) moves towards the still left and transfers movement from stage B to place A pushing out the left hand shoe
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 When you have had a leaking actuator and possess experienced us (or somebody else) repair it, You will find a incredibly higher chance the method has lots of contamination and crud in it.
The next photograph illustrates the AutoPark parking brake lever relay program with optional pedal brake that is observed only on coaches constructed involving about mid 94 to mid 98.
So exactly what is the Rotten Green Change, and what does it do? The RGS is an electric pressure swap, which controls the hydraulic pressure equipped on the actuator. It's created to turn on the pump at pressures down below 1200 psi, and switch the pump off if the force reaches 1600 psi.