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Old 09-24-2015, 02:44 PM   #1
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Leaking Hydraulic sensor or? under 99 SDS

This thing started leaking on our last trip and painted the back of the coach and my Cherokee the nicest shade of oily brown. It appears to be a pressure sensor as it has wires going to it and it also appears to actuate a cable attached to the bottom. 3 hoses going to it, it's on the driver's side just in front of the air tank if anyone can tell me what it is called and possibly a source it's no problem for me to change it out.
Thanks in advance
Dave
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The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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Old 09-24-2015, 03:26 PM   #2
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Think this issue came up recently--believe very early Alpines used a hydraulic parking brake actuator Vs the air-driven model on later coaches. Hopefully someone with an early model Alpine will chime in about replacement....
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Old 09-24-2015, 05:54 PM   #3
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Thanks Old Scout, that was enough information to lead me to This Thread from '13 that had part numbers for the unit. Got one on the way.
Gotta love the information base on this forum
Best
Dave
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The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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Old 10-03-2015, 10:32 AM   #4
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Dave,

Did the referenced Napa part number work? I believe I am having the same leak problem with my 98 and have not been able to identify the part.

Thanks,

Scott
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Old 10-04-2015, 08:53 AM   #5
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Scott,
I bought the TW-11 valve referenced in the thread above but while it was in transit I had a slight crash on my mountain bike and my ribs are still too sore to get under the bus to fix it. I should be able to do it in the next few days (already riding again but can't lay on my back on hard surfaces and reach up) I'll let you know how it goes. I may have to take a trip to actually check but I know the valve or sensor is leaking, it looks like the bottom of the valve so I didn't buy the NAPA sensor.
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The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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