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Hissing noise in engine - 1992 Buick Park Avenue

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Posted on May 02, 2010

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Engine makes hissing noise. Valve cover or just a gasket?

Soounds like it to me.... But to be sure, knowing the make, model & year of the car would be a huge help!

Jul 23, 2016 | Cars & Trucks

1 Answer

What is causing Loud hissing noise while engine running ?

it may be a hose has a hole in it take carb clearer and spray on the hoses if engine speeds up that hose has the leak

Jun 13, 2016 | Cars & Trucks

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I have a 2005 Pontiac that makes a hissing noise underneath the car. you can turn the car ignition on without fully starting car and it still makes hissing noise then stops.HELP!!!!!

There is a distinct sound that has a hissing component when you first turn on the key. It will last a second or two when the key is turned to the run position. When the engine started the sound will return and continue to produce the noise so long as the engine is running.

A relatively low noise is normal. If you are concerned check other like cars for the loudness level.

how to check your fuel pump

The pressure regulator on the fuel rail can also produce a sound when the fuel pump is running. The regulator is under the hood and any reasonable noise would not be a concern, A clicking sound is also normal throughout the fuel system when the engine is running created by the fuel injectors cycling.

Dec 28, 2015 | Pontiac Cars & Trucks

1 Answer

What do I do?

Lift the hood and listen for a hissing noise. If no hissing noise have a mechanic check it for vacuum leaks. This requires a scanner tool if no vacuum leaks-best off at a repair shop.

May 27, 2014 | 2011 Chevrolet Cruze

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Hissing noise

air leak check the air lines... look for cracked and split lines spray some carb cleaner around and it will change the engine speed were the leak is.

Feb 22, 2014 | Ford Cars & Trucks

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My 1992 Jeep wrangler has a hissing noise coming from the back of the steering column and is having trouble shifting

Normally a hissing noise when the engine is running is a vac leak.
I'm not aware of anything behind the speedo that would be affected but you might check for vac hoses. Might be the power brake booster leaking vac but that is in the engine compartment.

Jun 25, 2012 | Cars & Trucks

1 Answer

Why does noise happen when i'm driving, releasing steam, whistling, hissing

Your cooling system is not working properly. You should have this looked at immediately. Could be a stuck thermostat. Is your engine temp running hot?

Apr 16, 2012 | Saab 93 Cars & Trucks

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2005 Navigator I have low hissing noise under the

Sounds like the brake booster diaphragm is holed or vacuum feed from engine leaking.

Needs urgent repair as may affect braking.

Dec 03, 2009 | 2005 Lincoln Navigator

1 Answer

Engine runs rough and makes a loud hissing noise when shifting be

Rough running and hissing noise, are most likely an indication of a vacuum leak. Check your vacuum hoses and repare or replace any that are broken or brittle.

Oct 09, 2009 | 2004 Ford Explorer

1 Answer

2002 Mitsubishi Galant ''hissing noise''

I would first try to locate the source of the hissing. Try spraying some engine starting fluid around the hissing area and home in on the source. The engine revs will change as the starting fluid is drawn into the engine. Sounds though more like a vacuum as you have suggested.

Aug 17, 2009 | 2002 Mitsubishi Galant

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