Question: Lowering Diesel Engine noise

[afarooqi]

I want to know that are there any sound lowering techniques for diesel engines. I have a 2C engine in my Mazda 1500, and it noises alot, provided engine is not weak in any case as i have recenlty overhauled it.

It is just vibrating too much, and noising too much. i already have placed "Nimda" (leather sheet with fiber wool inside) on the underside of bonnet. one person told me that air cleaner setup i am using is of Mazda 2200, instead i should be a using Toyota diesel engine air cleaner setup

kindly guide me.

[spectra]

Aur cleaner setup is make or break for diesel engine noise.

Full setup for 2C engine will reduce suction noise for sure. If it is the knock you are refering to, then tappets might be off or diesel pump and nozzles are out of calibration

[afarooqi]

@spectra
thanks for the reply. kindly let me know after how much time (kms) should i get pump & nozzle calibrated?

[afarooqi]

Anyone to help?

[afarooqi]

Bump..

[spectra]

There is no definite interval for service of pump or nozzles, if you feel aproblem then get them checked.

[hash4u]

if ur air cleaner box and connecting pipe has the slightest leak it magnifies the sound. i would suggest to get that checked first

rest spectra knows more then me

[Porsche_Maker]

Use Original Air Filter rather than cheap air filters with Original Toyo Air Cleaner Box.

[RetardedBuddy]

The simplest way of all to reduce noise:
Plug your ears, it works!

[afarooqi]

@hash4u: thanks for the wonderful tip, i will get it checked in first place. if no leak found, than i will be heading for installing a complete air cleaner box from corolla diesel. I hope it may fit in & help reducded.

I am waiting for some other member's advice. also some karachi member inform me for diesel lab where i can get the pump and injector checked.

[kwaheed]

for diesel pump/Injector check near Al-Asif/Sohrab Goth or Banaras

[afarooqi]

@kwaheed: any specific shop?