Engine Noise at Idle

rickb67 · Posted: Wed Sep 16, 2015 9:01 am Post subject: Engine Noise at Idle

I purchased a car from a former member. He sent me a video of the car running and told me that there was a helicopter running in the background. Well the helicopter type noise is the engine. It runs alright except at idle the engine rocks. What should I look for... Nose cone?.... Transmission Mount bushings?

FreeBug · Posted: Wed Sep 16, 2015 1:50 pm Post subject:

Helicopter noise? First thing to check is if there isn't a rag or something on the fan, sucked in from behind the shroud.

66brm · Posted: Wed Sep 16, 2015 1:55 pm Post subject:

Sounds like its missing on a cylinder or two, if it has dual IR carbs it may be plugged idle jets or miss adjusted idle mixtures
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Aust. RHD 66 Type 1
Aust. RHD 57 Type 1 Oval

theDrew · Posted: Wed Sep 16, 2015 3:20 pm Post subject:

check for exhaust leaks too...they have a sharp snap of kind sound...at least on my exhaust
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Turbo 2276 MS3X build http://www.thesamba.com/vw/forum/viewtopic.php?t=673125
1985 Vanagon Campmobile w/ 2005 EJ25

rickb67 · Posted: Thu Sep 17, 2015 11:43 am Post subject:

I can actually watch the engine rock. Even the slightest increase in RPM silences it.

jason · Posted: Thu Sep 17, 2015 4:20 pm Post subject:

Take the fan belt off and let it idle. My brothers car sounds like a helicopter at low idle, his fan shroud. Goes away around 1000 rpm. Gave it a few pushes and pulls, good to go.


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