Question about 1988 Mazda B2600 Cab Plus

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Exaust preasure coming from oil fill cap and a noisy tapping sound

Exaust preasure coming from the oil fill cap when removed noisy tapping sound

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  • rallytruckn May 12, 2009

    i changed the oil and fillter add some lifter clean and run the car for 5 and she come good as gold (spoke to a mazda bloke and he said it was a collapsed lifter and would be a expenssive fix )

    !this is why i dont like to go to mechanics

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  • Master
  • 334 Answers

That not good . your motor is on it way out.

Posted on May 12, 2009

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6ya6ya
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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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What will be the problem if i have a taping noise when i start my car until it gets warm mitsubishi 380


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1 Answer

No oil preasure


First check the oil level. Do this on a level surface. Make sure it's close to the full mark, or in the operating range on the dipstick.
Next check to see how old the oil is. Is the vehicle well past it's scheduled oil change?
If the above checks out, then I suggest the oil pump is bad. Oil light being on, and noisy hydraulic lifter noise is directly related to low oil pressure. The oil light should come on at 3 lbs of pressure.

Rule of thumb is 10 lbs. of pressure for every 1000 Rpm.

Vehicles have a by-pass valve in the oil system. This comes into play when the filter is clogged up. The oil flow goes past the filter.

This by-pass valve is usually located in the engine block, where the filter attaches. It's up in the block itself. Depends on the vehicle, as to whether this statement hold true. There are many designs for an oil system.

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it could be your oil preasure senser. if not that it sound like a bad oil pump. not good

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