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Click noise by transmission and engine housing that is not the values when car is in idle or running

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Torch converter maybe?? They are full of parts that can make noise! good luck

Posted on May 18, 2014


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Making whistle noise on off on run and stopping.

There are basically two types of whistle noises.

* Whistle when you get more gas (increase RPM, put gas pedal, sometimes just idling but louder when you put more gas)
This usually intake-side leak.
Intake manifold itself, intake manifold gasket (most likely), even airfilter housing, Airflow meter housing (connector), anything where air goes to engine.
usually engine get rough or unstable idle when intake leak occur.
Engine knocking or pinging may feel.

* Whistle when you decrease RPM (engine brake, reduce speed, sometimes just idling but louder when it dropping RPM)
This usually Vacuum-side leak.
There are many vacuum hoses in engine room. even inside of cabin (heater control, etc)
Try to spot where it coming from.
Vacuum also connected to Brake servo, heater control and spark timing.

Put metal or plastic pipe (small PVC pipe will work fine) to one of your ear then isolate source of noise and find where it come from.

Feb 26, 2016 | Cars & Trucks

2 Answers

2002ford explorerxlt 4x4.i hear clicking noise when I put in gear

Does the noise sound like its coming out of the engine or transimission because I can't help,you if I'm not there but does it sound like a tapping noise a lifter or or does it sound like a idle pulley get back I'll help you good lucl

Oct 03, 2015 | Cars & Trucks

1 Answer

03 GMC Yukon transmission clunk at idle

2005 Yukon XL 1500 2wd 252,000 miles
It developed a noise like a can full of rocks slowly rolling
It only did it in neutral or park with engine running.
Putting in gear would stop it.
Turned out to be a loose filter element in the transmission.
At least that's what I was told by my mechanic.
Solved the noise though

Sep 12, 2012 | 2003 GMC Yukon

2 Answers

Jeep 360 rattle sound at idle in park

it could be a wrist pin, and im not sure if those amc's had hydraulic lifters but sometimes with old lifters when the oil pressure is lower at an idle the lifters arnt filling up all the way so they develope a little valve lash, and when the rpms are raised the oil pressure raises and fills the lifters. you could try chasing the noise down with an automotive stethoscope.

Mar 23, 2012 | 1985 Jeep Grand Wagoneer

2 Answers

Is there any website that has pictures to show where and how to check transmission fluid in my chevy Malibu 1998. Its moving really slow i took it to the shop and had a strainer put in it before it...

the malibu since 1995 has a ****** with no dip stick, so checking them is a problem,, Start the engine and allow the engine to idle until the transmission fluid temperature has reached the value specified. Depress the brake pedal and move the shift lever through the gear ranges, pausing a few seconds in each range. Return the shift lever to the PARK range. Raise the vehicle on a hoist. The vehicle must be level, with the engine running and the shift lever in the PARK range. CautionThe engine must be running when the transmission fluid fill plug is removed, or excessive fluid loss will occur. Transmission fluid may be hot. Since the actual fluid level is unknown, stand clear when removing the fill plug. Have a container ready to capture any lost fluid. Do not turn the engine off with the fill plug removed, as you can be injured by hot transmission fluid being expelled out of the oil fill opening.
Remove the transmission plug.
The transmission fluid may darken with normal use and does not always indicate contamination or oxidation.
At least 40°C
Transmission fluid (At least 104°F) 5-10 minutes at idle will give correct temp.
Does the fluid have a burnt odor or a dark brown color?Check the fluid level. The fluid level should be even with the bottom of the threaded plug hole.Is the fluid level low?
Add DEXRON® III automatic transmission fluid in increments of 0.5L until the fluid drains from the plug hole.
Install plug before stopping engine or fluid will spill out of plug hole.
Pan drop and filter change 7.5 qts

Check plug is just to the right of the passenger side axle housing , 11 mm plug, can't miss it, only one there.

Aug 16, 2011 | Chevrolet Malibu Cars & Trucks

1 Answer

1995 GMC with 350 engine auto transmission idle to fast. Have replaced oxygen sensor, idle air control, and throttle potion value. can see butterfly values are closed when the engine is running at an...

It sounds like you have a vacuum leak somewhere. Take a propane torch, turn on the gas but DON'T LIGHT IT!!! Start the vehicle and point the torch at any and all vacuum outlets and hoses. If the engine revs up slightly, you have found your leak. The vacuum will pull the propane into the engine causing it to rev. Check the throttle body mounting plate good and vacuum lines at the back of the engine and transmission. Hope this helps.

Apr 03, 2011 | 1995 GMC Sierra C1500

1 Answer

94 thunderbird code 1505

Diagnostic Trouble Code (DTC) P1505 indicates the IAC system has reached the adaptive clip.
Possible causes:
  • Air leaks.
  • Plugged air filter element.
  • Throttle body/linkage binding.
  • Contaminated or damaged IAC valve assembly.
  • Damaged throttle body
The Adaptive Idle Air Control (IAC) strategy is designed to adjust the IAC calibration to correct for wear and aging of components. When engine conditions meet the adaptive strategy learning requirement, the strategy monitors the engine and determines the values required for ideal idle calibration. The adaptive strategy stores these values in a table for reference. This table is used by the PCM as a correction factor when controlling idle speed. The adaptive idle table is stored in Keep Alive Memory (KAM) and retains the learned values even after the engine is shut off. A Diagnostic Trouble Code (DTC) is output to indicate that the adaptive IAC strategy has reached its learning limits.
Whenever an IAC component is replaced or cleaned or a service affecting idle is performed, it is recommended that KAM be cleared. This is necessary so the idle strategy does not use the previously learned adaptive values.
To clear KAM, refer to PCM Reset in Section 2. It is important to note that erasing DTCs with a scan tool does not reset the adaptive idle table.
Once KAM has been reset, the engine must idle for fifteen minutes (actual time varies between strategies) to learn new adaptive values. Idle quality will improve as the strategy adapts. Adaptation occurs in four separate modes. The modes are transmission select in neutral with air conditioning on; transmission select in neutral with air conditioning off; transmission select in drive with air conditioning on; and transmission select in drive with air conditioning off.

Jul 01, 2009 | 1998 Ford Explorer

1 Answer

1997 Mazda Protege: Engine has clicking noise when idling.

Check to see if the valve lifters are not making the noise. Turn on the engine and rev it up to about 1500 rpms and see if the clicking is coming from the valve cover area.

Apr 05, 2009 | 1997 Mazda Protege

1 Answer

High pitched noise, engine shuts off at idle

You need fluid!! The high pitched noise yu hear is air in the hydraulic sections of the transmission. Top up the fluid then find out where the leak is
Good Luck

Mar 14, 2009 | 2000 Ford Escort

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