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914World.com _ 914World Garage _ Best way to find vacuum leaks?

Posted by: jrcui May 12 2005, 09:53 AM

Got my first teener this past week (75 2.0) but gotta take care of a few issues to get it registered, i.e., pass the Oregon DEQ inspection. The car is idling high/low so I'm assuming its a vacuum leak. I'm going to change out the vacuum hoses using the Auto Atlanta kit. Any other suggestions on potential leak spots?

Also, noticed my air pump isn't working... the pulley/belt isn't moving? Anyone got suggestions?

I'm a complete mechanical novice but luckily have mechanic friend helping out. Get anxious and want to hit the road!!!

Vince

Posted by: skline May 12 2005, 10:06 AM

I would use starting fluid or something like that and spray little bursts at the lines, if you have a leak, it will rev up a little. Do not spray it on or around the heat exchangers or exhaust manifolds

Posted by: SirAndy May 12 2005, 10:09 AM

QUOTE (skline @ May 12 2005, 09:06 AM)
I would use starting fluid or something like that and spray little bursts at the lines, if you have a leak, it will rev up a little. Do not spray it on or around the heat exchangers or exhaust manifolds

brakecleaner or carbcleaner will work great. spray on the area in question and listen for the idle to change (should go down if you have a leak) ...

keep a fire extinguisher nearby ...
Andy

Posted by: ! May 12 2005, 10:10 AM

Carb cleaner works too....added benefit cleans up the engine bay.

On your air pump...unless you need it to pass smog...leave the belt off. Call the inspection station and ask....pretty sure the pump was CA thing in 75....