Question about 2006 Chevrolet Impala

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Why is there tapping noise under my hood when my a/c is turned down or off?

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Common problem with the Impalas (even the new ones). There are several solenoids that control the air flow mechanisms that are prone to failure. Not easy to get to for an at-home repair as they are located deep inside the dashboard (meaning an expensive cost!)

Posted on Oct 24, 2010

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How do you stop this tapping sound coming from under the hood of my 06 Dodge Charger


Open the hood and allow the gremlin to escape. He only wants to return to his family.
NO GREMLIN? Open the hood, and utilize your ears to determine where the tapping is coming from. Do not place your ears next to anything hot, or near the cooling fans. Once you have pinpointed the source of the tapping noise, REPLACE THAT PART.

Jul 22, 2014 | Cars & Trucks

1 Answer

92 subaru loyal wont turn over and makes humming nouise in cab


If the starter does not engage you will hear the "growling" in the cab which is usually the fuel pump and is a normal noise, more apparent because of the lack of engine noise. First thing to check is the wiring to the starter under the hood. If it is ok could be contacts in the starter solenoid , starter brushes or a"dead" starter. I would try tapping the starter with a SMALL hammer or the end of a I/2 inch breaker bar while having an assistant turn the key to attempt starting. Stand on driver's side, If spare is mounted under hood, remove spare. The starter is visible and can be tapped from there.

Feb 10, 2014 | 1992 Subaru Loyale

1 Answer

1996 gmc Sierra- turn key and no noise under hood. New relay


WHAT RELAY? THE ONE IN THE UNDER HOOD FUSE BOX?...HOW DID YOU DETERMINE IT WAS BAD?...RELAYS IN MY VAST EXPERIENCE DO NOT FAIL OFTEN!
CHECK FOR 12 VOLTS AT HOT LEAD ON STARTER (THE LARGER WIRE USUALLY RED) GROUND BLACK LEAD TO STARTER BODY OR HOLD ON BOLT IF USING A TEST LIGHT OR MULTI- METER. IF NOT 12 V AT LEAST, YOU BACK UP ...TRACE WIRING, RIGHT BACK TO THE IGNITION SWITCH. BE SURE TO CHECK THAT ALL GROUND WIRES IN SERIES IS CLEAN AND TIGHT AS WELL. NO NOISE....MEANS NO STARTER ENERGIZATION!....FIRST PLACE TO CHECK!
***TRICK FOR YOU: TAP ON SIDE OF STarter body and car may crank over....it isCALLED "the magic hammer trick!

Aug 20, 2012 | Chevrolet Cars & Trucks

1 Answer

Tapping from upper left area under hood


Replace the egr, or if you want to be sure, have a friend give it gas ( unless you are familiar with the throttle body) while you listen under the hood. You should be looking between the firewall an engine. Once you locate it, you will know if your tapping is coming from the egr. Could be that something is touching a fan, or even the cv joint (would get worse during turns). Best bet, get under the hood and check it out. If the egr code is coming up, it needs to be replaced.

Jan 15, 2012 | Cars & Trucks

2 Answers

I have a 2003 Ford Focus SE sedan. Just last night while driving for about a little over an hour I noticed what sounded like air rushing out in harmony with the engine turning over, and it is really loud,...


you may have a vacuum leak or a restriction in the exhaust system check around under the hood to see if you can narrow down the noise. a restriction in the exhaust causes the excess exhaust to push back threw and make a whooshing noise. hope this helps

Feb 09, 2011 | 2003 Ford Focus

1 Answer

1997 jeep idle problems and tapping from a part under the hood


check with a scan tool for any trouble codes, possibly the o2 sensors are gone, the tapping is a lubrication problem try to clean the mesh on the crankcase or a engine cleaning procedure.

Jul 09, 2009 | 1997 Jeep Grand Cherokee

2 Answers

1989 Supra will not start, New battery. 5 Speed


starter isnt engaging, if you know where the starter is, tap on it with a hammer
1 person crank it over while the other person taps on it - its on the back of the engine

Jul 07, 2009 | 1988 Toyota Supra

1 Answer

My car is makeing a tapping noise under the hood. it does'nt make the noise when i'm driving at a normal speed. what could it be?


Sounds like a vacuum leak. Raise the hood while your engine is idling and see if you can pinpoint the area. Chances are, you'll find a vacuum line with a hole or loose connection.

Jun 07, 2009 | 1998 Isuzu Trooper

1 Answer

Loud tapping noise under hood of my 06 chrysler 300c


CHECK THE OIL LEVEL, IT MAY BE LOW AND WHAT YOU HEARS IS A VALVE TAPPING.

Dec 10, 2008 | 2007 Chrysler 300c AWD Sedan New Cars

1 Answer

97 dakota, cliick/tapping noise, brown liquid spray, help


i would expect that the water pump has failed and would take a look closer in the morning and make sure nothing else has cracked, i expect the pump housing has but make sure its not a crack in the block or anything.

Nov 28, 2008 | 1997 Dodge Dakota

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