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  #1  
Old 10-06-2016, 05:09 PM
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Parking brake adjustment

My parking brake barely holds my '15 GC, and if I forget that I've engaged it, and pull into "drive", and hit the gas, I can move off easily. Therefore I want to adjust the brakes.

From what I've seen, there's no "take up" point on the cables, and instead, you adjust a "star wheel adjuster" like an old drum brake deal. And supposedly, there's an "access plug" that you pop out of the dust shield, and access the star wheel.

Maybe I'm blind, but I slid under the GC earlier today, and for the life of me, I can see any plugs. Could someone provide some guidance, as to where this plug is located?


THANKS!

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  #2  
Old 10-08-2016, 01:01 PM
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Re: Parking brake adjustment

Nobody?
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  #3  
Old 10-08-2016, 01:09 PM
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Re: Parking brake adjustment

Wondering the same thing. Mine won't hold in drive.
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Old 10-08-2016, 02:26 PM
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Re: Parking brake adjustment

I remember there being some talk about popping out the plastic cubby to the left in the rear cargo area to access something parking brake related. Not sure if that helps.
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Old 10-09-2016, 03:40 PM
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Re: Parking brake adjustment

In my owner's manual it says adjust parking brake every 32K miles. But when I checked the factory service manual, it says this:

Quote:
NOTE: Parking brake adjustment is controlled by an automatic cable tensioner and does not require adjustment. The only adjustment that may be necessary would be to the park brake shoes if they are worn.
But then a few pages down are the procedures for adjusting the star screw. I don't recall if there are forum rules against posting pics from the FSM, so I won't put it here, but there is a plug just on the other side of the brake disk shield that is slot-shaped. From the diagram it looks like it is near the top, near a large (control arm?) bolt.
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Old 10-09-2016, 04:03 PM
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The slot is an absolute PITA position. I take the wheel off.
If your under the car the slot is at the 10 o'clock mark. It is an elongated slot with a rubber bung.
Mine is an export model, so could be different to USA.
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Old 10-12-2016, 10:29 PM
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Re: Parking brake adjustment

Strange...
They must have changed the rear brakes for the 2014+ models.

Here's the pic I have for the 2011-13 models.

I made these notes on another thread (and kept them for myself as I really should adjust mine a tiny bit out)

I seem to recall that most star adjusters are simple left-hand threads for both sides (so the same parts can be used on either side). So on the driver's side you would most likely have to spin the star 'downward' and on the passenger side you would have to spin the star 'upward'.

Just think about how you would loosen a nut/bolt combination if it was inside the 'drum' of the disk brake hat. You need to loosen or expand the 'bolt' that spreads the brake pads.
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Old 10-13-2016, 10:34 AM
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Re: Parking brake adjustment

With the tire off, this is the diagram I have (2012). Presumably this allows the adjustment to be made without taking the parking brake apart.
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Old 10-13-2016, 01:38 PM
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Re: Parking brake adjustment

Quote:
Originally Posted by leadfoot4 View Post
My parking brake barely holds my '15 GC, and if I forget that I've engaged it, and pull into "drive", and hit the gas, I can move off easily. Therefore I want to adjust the brakes.

From what I've seen, there's no "take up" point on the cables, and instead, you adjust a "star wheel adjuster" like an old drum brake deal. And supposedly, there's an "access plug" that you pop out of the dust shield, and access the star wheel.

Maybe I'm blind, but I slid under the GC earlier today, and for the life of me, I can see any plugs. Could someone provide some guidance, as to where this plug is located?


THANKS!
I dunno about the V6, but the Hemi has enough power even at low speed to drive away with the parking brake set. It does impede progress enough you notice it but you can't hold that engine with the brake. Dunno if you are seeing this, as if you take your foot off the gas, the brake should stop the vehicle immediately and fairly abruptly.
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Old 10-13-2016, 04:58 PM
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Re: Parking brake adjustment

Quote:
Originally Posted by wk2driver View Post
With the tire off, this is the diagram I have (2012). Presumably this allows the adjustment to be made without taking the parking brake apart.

This is a nice diagram, but if you really think about it, that slot is indeed in an obscure, hard to reach position, and easy to miss, by just crawling under the vehicle.....



Quote:
Originally Posted by lstowell View Post
I dunno about the V6, but the Hemi has enough power even at low speed to drive away with the parking brake set. It does impede progress enough you notice it but you can't hold that engine with the brake. Dunno if you are seeing this, as if you take your foot off the gas, the brake should stop the vehicle immediately and fairly abruptly.
I'll have to check it again, but to the best of my memory, if I simply pull it into gear, with the brake on, but not hitting the gas pedal, my Hemi will easily start it rolling down the street.
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Old 11-07-2016, 04:50 PM
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Re: Parking brake adjustment

Here's an update....



I bought a new drum brake adjustment tool, as the old one I had was OK for setting regular drum brakes, but was too large to fit inside the rear rotors, to set the parking brake. I bought an AMPRO T71558 tool, and it fit the bill perfectly.

I set the tool, then adjusted the parking brake shoes so there was 0.025-0.030" of clearance, using a feeler gauge, between the shoes and the surface of the gauge. On my GC, it took two "clicks" of the adjuster on the LH side of the vehicle, and 8 "clicks" on the RH side.

Although this greatly improved the holding power of the brake, I think I should have set the shoes a little closer, as I can still somewhat overpower the brake by applying the gas, but it IS considerably better than it was before. If I get some time in the next couple of days, I'll get back in there, and give the adjusters another 2 "clicks".

I'll add this.....trying to use the "access slots" would most likely be an exercise in futility. It would be easier to just pull the calipers, caliper brackets, and rotors.
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