What Causes the Exhaust Pipe of Volkswagen Sagitar to Make Abnormal Noises?

1 Answers
VonJessica
07/30/25 8:29am
Reasons for abnormal noises from the exhaust pipe are as follows: Due to the exposed position of the exhaust pipe: When stepping on the accelerator pedal, you may hear a popping sound coming from the exhaust pipe. The sound might not be very loud, and the car may drive normally, but fuel consumption increases. Sometimes, similar sounds may also come from the front section. Detached sheet metal parts or bumper: When driving at low speeds or accelerating, abnormal noises may occur under the engine, especially in colder weather. It is recommended to lift the car and check if there is a heat shield between the exhaust pipe and the ground. The noise may be caused by the aging of this heat shield, and replacing or removing it can solve the problem. Aging heat shield: Abnormal noises may occur when turning or moving forward. Common noises during turning often come from a damaged front wheel drive shaft joint, producing intermittent crackling sounds. Damaged muffler or exhaust pipe: Installing a muffler inside can significantly reduce car noise.
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