An expert who has achieved level 2 by getting 100 points
An expert that got 5 achievements.
An expert whose answer got voted for 20 times.
An expert who has answered 20 questions.
Re: Oil pressure is really low and valve started ticking...
The new oil pressure is affected by the pump speed especially an oil pump that has done a lot of work. Low water pressure is usually a sign of engine wear particularly around the mains and bigends. As the motor ages and all the parts become worn more and more is lost into the crankcase. As you rev the motor the oil pressure increases and will maintain its pressure at around six or eight PSI. When you change the oil in the hydraulic tappets drain the oil away and so when you restart the engine after you have changed the oil the worn oil pump take some time to get new oil up and around the hydraulic tappets. This is a common problem with well used engines, it does not mean that they are not usable but it does mean they are starting to show their age. Regards
A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones). click here to download the app (for users in the US for now) and get all the help you need. Good luck!
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
The ticking noise is can be a sign of low oil pressure or worn out oil/wrong oil grade. Since you just changed your oil I would say that it is not the oil. The decrease in ticking comes from the new thicker oil. If you have an oil pressure gage, locate the oil pressure switch or any other oil passage to the engine and connect the gage to the passage and check the oil pressure and compare that to the mfg specs.. The oil pressure will most likely be something between 30-60 when the engine revs up a little but do check the mfg specs from a manual or call the dealer for the info.. If it has very little or no oil pressure it could cause extensive engine damage or complete engine failure. It is best to check the pressure or have it checked before you continue to drive the vehicle.
my daughter had her oil changed with pennzoil regularly she drives a 2002 suburban she would lose oil pressure a her valves would tap. i started to change her oil with valvoline oil and it quit doing it but she has around 170,000 miles on it and if zhe is late bringing it to me to change he oil her pressure will drop. i hope this helps
Prognosis is really bad, hate to tell you. Ticking comes from the valve lifters, losing lubrication due to lack of pressure and running dry. At redlights, when revs are at idle, oil pressure drops a lot, and engine really suffers. Have the vehicle taken immediately to a shop for proper diagnose and to see if engine can still be saved. The loss of power comes from the valves not actuating properly. Hydraulic lifters need oil at a decent pressure to "charge" , and if not charged, they will stay compressed, ruining valve lifting operation.
The 'light tick' is most probably a valve lifter. The valve lifters in the engine are hydraulic, and are pressurized by the engine's oil pump.
When the engine gets some mileage, say 60 or 70 thousand miles or more, the engine is just not as tight as it once was. What happens is that the lifter loses its pressure when the engine is not running, because there is some wear. When you start the engine, the lifter takes a few moments to pressurize, and makers a ticking noise until it does. The 'ticking' is the sound of the valve being hit by the push rod, which is being pushed by the lifter. Once the lifter is pressurized, the 'ticking' sound stops. This is a very common thing for engines, it will eventually happen to nearly every one.
Sometimes, thin, old oil can cause this. If you have not changed the oil/filter in a while, you should do it now.
This is nothing to really worry about right now, but it is a sign of engine wear. Just be sure to run the proper oil in the engine, and do all the proper maintenance.
A common cause to your problem is a faulty oil pressure switch. This monitors the oil pressure and when defective, can falsely trigger the low oil pressure light. If the switch is good, the oil pump may be bad. Listen carefully for "ticking" under the hood. This would be a sign of insufficient lubrication to the lifters/rocker arms.
best bet is to change that oil sending unit. they get gummed up at times. i almost junked a 318 one time cause of really low pressure, it was just the sending unit. also check the wire clip on it. may not be making good contact.
Nope, normal on start up is 60 PSI and once warmed up drops to 45 psi. Have the oil pressure checked for a proper reading during start up's when the engine is cold. As for the lifters ticking, that may be a sign that the engine was ran with low oil pressure or no oil and the lifters are damaged, or low oil pressure and the lifters are starved of oil. Try not to drive it and have a proper oil pressure reading, low oil pressure will damage the engine by having the main crank bearing to spin which is a engine replacement. Good luck and keep me posted.
The ticking could be a spark plug wire shorted out to ground of which you can watch in the dark while the car is running and see if you see a plug wire jumping to ground which will look like a lightening bolt hitting the ground. It could also be a lifter making noise. Could be a exhaust leak. What is your oil pressure? Does your gauge tell you pounds of pressure or is it just a light?
You either have a loose/worn engine bearing or a worn out oil pump, do not drive the car this way, you will cause serious damage to the whole engine. A oil switch is for a light, it turns on the light when oil pressure falls below about 10 PSI, a sending unit is for a guage that shows oil pressure with a scale, it may have numbers on the guage or just green and red, or high and low.