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Old 14th October 2012, 12:56   #1
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Default Air Filter - Boom sound

Does any member have any idea to reduce the booming sound from the air filter in MM550.At about 60 kms and above it is almost unbearable.In the Ambassador diesel this was also a problem,but it was cured by installing an air filter from a Swaraj tractor.Can the same filter help in this engine too.
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Old 15th October 2012, 10:32   #2
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Default Re: air filter boom

Dear hps aulakh - if your MM has XDP4.90 engine, then please see Armada NGCS manufactured from December 1997 onwards. Air intake resonator was introduced in the system. In MM, if the RH fender inner reinforcement is same (Armada and MM are from the same platform), then you may be able to fit directly. If your MM has XD3P engine, then see Armada Grand manufactured from 1999 onwards. Do not confuse one with the other, the axle ratios are different so the peak boom values which the resonators flatten out are completely different, although both resonators look same.

Best regards,

Behram Dhabhar
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Old 15th October 2012, 14:36   #3
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Default Re: air filter boom

HPS - do you need a pic of it? It was there in my AG and currently rotting away in my tools room. I removed it for refilling the AC-Coolant and while testing it post-refill - I kinda like the boom and stuck to it
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