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I have a f150 yamaha outboard engine that is making a loud knocking noise wonder what could that be?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Therinnaiguy
  • 1420 Answers

SOURCE: Loud Knocking

If the noise is not coming from the fan as Buffalo suggests, it is most likely the expansion and contraction of the heat exchanger. The old school way to lessen the noise of expansion is to bank the combustion chamber with a hammer. I don't recommend it today because the metal is so thin (thus all the noise) and you may damage it. You will get used to it and the noise may soften the more it is used. You will never get it to stop.

Posted on Dec 04, 2007

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SOURCE: Yamaha outboard engine

Procedure for carb. adjustment for 1992 Yamaha 30 h.p. 2 cycle outboard motor

Posted on Dec 30, 2008

mrgrzz
  • 88 Answers

SOURCE: New 14 seer split ruud heat pump makes very loud knocking noise

Well you may want to have a tech come out and check the freon level, but mostly when going into defrost, some units make alot of noise, the freon is reversed in the unit by way of the reversing valve, it makes a whooshing sound like freon is draining off, as far as the knocking noise, could be as I said in the beginning, might be low on freon, but it could be that, this particular unit does this, I have had units make some really strange noises in the past but functioned perfectly, hope this helped, please let us know, thanks again,
mr.grzz

Posted on Jan 24, 2009

  • 1 Answer

SOURCE: knocking noise

Your problem may not be a broken spider assembly. My Kenmore Elite (model # 110-42822-203) had a kocking problem as well. After taking the back off, I discovered that the nut holding the pulley to the drum shaft (on the outside of the outer basket) was slightly loose. I simply re-tightened this an the knock went away. The pulley was shifting on the shaft ever so slightly, leading to the knock. Cost of fix: $0. :-).

Posted on Apr 05, 2009

Maytag317
  • 1136 Answers

SOURCE: makes loud knocking noise under refrigerater side

Hi, Does this noise accure when the compressor is shuting off?

Posted on May 12, 2009

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Hi, Sam_kellick I would love to help you with your engine or chassis noise but I just loaned my brand new pair of listening ears to your local dealer's chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. If you are a little short on "DRACHMA" and a Dealership is not on your list of fun places to visit then perhaps the list below will help soothe your worried mind so you can make an informed decision.
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