Technical Tips > Pre 84

here it is

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Cameron 77C3:
I noticed on that day we were working on the horn that when you open it manually that I could here air sucking.  Now if it opens straight away when you activate the wipers but delays when you use the manual switch I would surmise that there is a leak in the manual switch vaccuum circuit/line.

jolinari:
ur definetly right about the leak...i could hear it 2...so do u think it is faulty (MANUAL SWITCH)?
mmmm

Cameron 77C3:
Not sure.  I could hear it in the engine bay.  Now if the line from the switch splices into the system in the engine bay, the leak might be where it hooks in.

You need to pin down where the noise is coming from and start there.  But yeah the switch would be my first check point.  If the switch is the same type as the manual switch for the head light pop up, swap the connections under the dash and see what happens.  I think you can drop the plate that holds the switches and that will give you easier access to swap the lines.

jolinari:
i will try that...and i will order another switch as well...just in case

Cameron 77C3:
Try it first before you order the switch.  No need to get the switch if it aint broke.  You can buy them here.  Expensive Iknow, but when you consider the freight for one item and waiting time...........Well.

Gota go.  Chow

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