68 RS Hidden headlight Hissing New System - Team Camaro Tech
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post #1 of 8 (permalink) Old Jan 10th, 06, 08:15 PM Thread Starter
 
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68 RS Hidden headlight Hissing New System

I just replaced my complete hidden headlight system,
Actuator
Hoses (all new)
Tanks (lower)

WHen i shut my car off i hear a small hiss/leak around the new actuator i just bought from classic, Is this normal, do these bleed off some of the vacuum once the car is turned off? or is this an indication of a defective part.
Thanks 68camrs
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post #2 of 8 (permalink) Old Jan 11th, 06, 03:14 PM
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Jim
 
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Re: 68 RS Hidden headlight Hissing New System

it shouldnt hiss but actually hold vac for awhile if everything is tight. The valve on top of the vac tank might have a leak in it. put some Dawn dishsoap and water around all the connections and all over the valve and see if you can see bubbles or air movement. Then you found your source.

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post #3 of 8 (permalink) Old Jan 11th, 06, 05:40 PM
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ralph
 
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Re: 68 RS Hidden headlight Hissing New System

if you can hear it hissing just listen an you will finf it
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post #4 of 8 (permalink) Old Jan 11th, 06, 06:43 PM Thread Starter
 
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Re: 68 RS Hidden headlight Hissing New System

I tracked down the hissing sound. It is clearly coming from the very bottom of the new relay switch. Question - is this normal. When i place my finger on the bottom of the valve, engine on,i can remove my finger and there is clearly a vacuum created. When i shut the car off, i can monitor the hissing in the same manner until the vacuum is depleted. Help greatly appreciated on this before any return warrenty runs out. Thanks.

Last edited by 68camrs; Jan 11th, 06 at 06:54 PM.
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post #5 of 8 (permalink) Old Jan 11th, 06, 07:12 PM
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Re: 68 RS Hidden headlight Hissing New System

It shouldnt leak like that. It should hold Vacuum while driving or when shut down for a short time too. If its a repo, send it back. That relay has been known to have problems as others have reported in here over the years too.

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"There will come a time when you believe everything is finished,
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post #6 of 8 (permalink) Old Jan 19th, 06, 06:38 PM Thread Starter
 
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Re: 68 RS Hidden headlight Hissing New System

Thanks everyone. Replacement part arrrived and installed. No hissing. System even holds a vacuum after car is off for awhile. Imagine that. Thanks again. 68camrs.
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post #7 of 8 (permalink) Old Jan 28th, 06, 04:15 PM
 
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Re: 68 RS Hidden headlight Hissing New System

I've thought of replacing my system. Is it worth the expense and effort?
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post #8 of 8 (permalink) Old Feb 1st, 06, 09:42 AM Thread Starter
 
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Re: 68 RS Hidden headlight Hissing New System

I think so. as i recall, hoses, lower vacuum acutators, and relay(i broke mine being dumb and not realizing how brittle the plasitc was) came to about $300. One actuator was bad, but i decided to replace both while the project was fresh in my mind. As i am not that talented with the more advanced stuff, i got a real sense of accomplishment on this project. Good Luck.
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