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A hole in the muffler would cause a knocking sound in your muffler. A loose exhaust pipe can also cause a knocking noise.
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∙ 9y ago
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What would cause a knocking sound underneath when you let off the brake and hit accelerator on a 1999 Toyota Solora?
loose exhaust pipe or muffler is most common
What would be making a knocking sound underneath a 1997 Chevrolet Silverado while going down the road?
Usually, most knocking is from the muffler or exhaust pipe vibrating or bumping on the frame or something. Look for a damaged or broken strap.
If you drill holes in the muffler will it make it sound betterand if so where do you drill the holes?
start with your head A muffler with holes in it would sound like a muffler with holes in it, terrible. Drilling holes in the muffler would increase the chance of getting exhaust fumes in the vehicle which is a bad thing.
What would cause a loud knocking sound and scratching sound in the 3.1L chev Lumina motor?
it was meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
What would cause a knocking sound when not stepping on the gas?
can you elaborate? engine noise? stationary/moving? ticking, tapping or a definite knocking?
What would make a knocking sound in a 1987 Nissan 5 speed transmission?
A seized gear can cause a knocking sound on a 1987 Nissan 5 speed transmission. A blown gasket can also cause this sound.
Can you put point in a sentence?
Yes. He would point at the door when there was a knocking sound.
What would cause a fog horn sound coming from my car?
Maybe the muffler is bad.
Why does my motor have a knock when you rev the motor up?
because its either cold and not warmed up or you lifters are knocking but the would be a louder knocking sound
What would cause a knocking sound when you let off the gas?
change fuel pump
Why would a 1994 SL2 develop a loud growling and rattling sound?
Check your muffler pipes.
Why would an 89 cad deville make a knocking sound when its off and parked?
Most likely your motor is low on oil and is knocking from being over heated.
