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Open Roads Forum  >  Class A Motorhomes

 > Pac-Brake Sticking?

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Craig P.

Southern California

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Posted: 07/18/08 07:01am Link  |  Quote  |  Print  |  Notify Moderator

I recently returned from a trip in the mountains. Before leaving, I serviced the pivot points on my Pac-Brake, as best as I could. I could not get the Pac-Brake to open & close by hand, so I lubed the areas that I could get to with an approved synthetic lubricant.

The first few times I used my brakes while descending the mountain, the coach made a loud whistling noise. I couldn't tell for sure, but it sounded like the Pac-Brake was possibly hanging up. The noise went away after 3-4 applications of the brakes. This has never happened before.

Anyone experience anything similar?

Craig


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rbdtanasi

Foley, AL

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Posted: 07/18/08 08:41am Link  |  Quote  |  Print  |  Notify Moderator

You must use a 12-volt dc jumper to activate the pac brake. Best to disconnect the electric plug, then connect a good ground to one pin and 12-volts to the other. That is the only way to operate the pac brake. Use only Superlube that Pac Brake makes. It can be ordered through Camping World.


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Dynasty40

Hangtown, Northern California

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Posted: 07/18/08 01:58pm Link  |  Quote  |  Print  |  Notify Moderator

Do you remember the tune it was whistling....might help...


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Craig P.

Southern California

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Posted: 07/19/08 09:03am Link  |  Quote  |  Print  |  Notify Moderator

rbdtanasi wrote:

You must use a 12-volt dc jumper to activate the pac brake. Best to disconnect the electric plug, then connect a good ground to one pin and 12-volts to the other. That is the only way to operate the pac brake. Use only Superlube that Pac Brake makes. It can be ordered through Camping World.

That is a great idea, thanks. I will give it a try.

I called Pac Brake tech support a couple of weeks ago, and they said that in addition to Pac Brake brand lube, SuperLube (which can be found at most Ace Hardware stores) is an authorized synthetic lubricant.

Craig

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