Archive for the ‘Automotive Diagnosis’ Category
Monday, April 30th, 2012 |
This noise can be heard as airflow hissing in the window area. It occurs mostly at high speeds, and changes in the vehicle speed or in the direction of the ...
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Sunday, April 29th, 2012 |
A relatively high-pitched noise is whining in the passenger compartment, increasing in volume with increases in engine rpm, when the vehicle is running at high speeds or under a heavy ...
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Saturday, April 28th, 2012 |
1.Torque converter slippage
(1)Noise caused by imbalance
If there is an imbalance in the pump impeller, and another behind the turbine runner, such as in the propeller shaft, each one of these ...
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Friday, April 27th, 2012 |
The volume (amplitude) of this noise alters cyclically, coming to you in waves. The frequency of the noise accelerates with the increase in vehicle speed. This noise occurs at certain ...
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Thursday, April 26th, 2012 |
This type of noise is felt as a pressure in your ears, and its origin is often unknown to you. It increases in pitch (frequency) with the vehicle speed. It ...
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Wednesday, April 25th, 2012 |
This type of noise occurs often in vehicle with block-or lug-pattern tires when driving on paved roads. It increases in volume with the vehicle speed.
1.Main cause
Air-pumping effects of the tread ...
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Tuesday, April 24th, 2012 |
A continuous rumble or roar at a constant pitch makes up road noise; the volume of this noise increases with the vehicle speed. This occurs mainly when driving on poorly-paved ...
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Tuesday, April 24th, 2012 |
By harshness, we mean a single-stroke impact such as one produced by striking an object with a hammer. Along with a loud noise, this impact is felt through the steering ...
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Tuesday, April 24th, 2012 |
Here, we are concerned not so much with vehicle vibrations, but with the bouncing and swaying of the entire vehicle i.e., the transmission of every unevenness of the road surface ...
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