How noisy is a mechanical vacuum pump? - 2005 Ford F 350 Super Duty

I would be checking the oil pressure with a mechanical gauge . If you have used the correct viscosity oil the lifters should stop being noisy after a minute of starting the engine . If it is the pump then you will have to replace it but it may be a loose oil pick up line or loose pump allowing the oil pressure to escape back into the sump.

If the compressor is noisy it is probably worn out from the lack of oil which leaks out with the freon and then destroys the compressor. You will have to take it to someone who works on Air Conditioning. It will require replacement of the compressor, flushing out any metal from the compressor, pumping it down with a vacuum pump and recharging with the correct amount of freon.

The code refers to the leak detection pump that is part of the gasoline vapor control system which is for pollution minimization. It says either that the pump switch or mechanical operation is faulty. According to a Chrysler manual I have, you would find the pump, probably on the underside of the vehicle by tracing the hoses related to the vapor recovery tank that may be in the right front corner of the engine compartment (I don't know Jeep designs) and then check to see if the pump starts when you turn the ignition to the run position when the vehicle is cold. Then remove the vacuum hose side of the pump and see if it draws a vacuum. If it does, then the vacuum-detecting switch that detects that the pump operation is OK may be faulty. If the pump doesn't start or doesn't draw a vacuum then the power to the pump, the pump itself, or the vacuum line may be leaky. Finally, the powertrain controller could be at fault.
In any case, that is where the issue is, and it should not be a major issue if it is handled by a knowledgeable mechanic. But you could check it over yourself if you are so inclined.

I have seen a couple noisy pumps on these vehicles. The fluid wears out after awhile and I have cured the noise before by simply draining and flushing with new fluid. You must use Chrysler ATF +4 transmission fluid for this, nothing else is suitable. This should work, if not, you'll need a new pump. Use a mechanics stethoscope to confirm the location of the noise, these trucks had problems with noisy alternator bearings as well.

it sounds like the power steering pump. it will be noisy at low rpm and less noisy at higher rpm sounds like it could be two seperate problems but i would star by replacing the p/s pump assembly and make sure no lines or hoses are leaking.

No pump should be noisy, though if only noisy when wheels are turned all the way to either side, that is normal. Once turned to the point where the pump first begins to make noise you really don't have any more wheel movement and turning the steering wheel further does very little except cause the noise. I've found that on many Jeeps the steering stop bolts on the lower control arms are set too far in and can be turned back a bit. That may help somewhat.

If I4 probably the timing chain and or the top end of the engine is going. Need to have it looked at ASAP. If V6 also not good. Mechanic ASAP. Could be noisy accessory like water pump, alternator, etc. Have mechanic take the outside belt off and run the engine and see if noise is still there. If so, engine, if not, accessory.

How to tell? Engine noisy? To confirm it, have mechanical gauge attached, to be sure there is or isn't sufficient pressure.

engine noisy,used one of them sunday mechanics code readers and reckon you know it all now ???only one cause of a noisy engine and thats because its been run with no oil,or had the guts thrashed out of it,or a pulley tensioner bearing run dry,clutch thrust bearing ,water pump,in fact anything .GET A PROFESSIONAL TO LISTEN,call a local mobile mechanic for an opinion then ask how to cure it on the cheap.

what you are discribing is a fuel restriction
could be a defective fuel filter. it wouldnt be the first one ive seen
later paul