What should the oil pressure be in a GMC Truck?
When its started cold it reads 60, when its warmed up at cruising speeds of about 55-60mph it reads 40, but as soon as the RPMs drop when I coast, idle, or drive under about 10-15mph (warmed up) the pressure reads 20. Is this normal.. Sure doesnt seem right to me. Yep totally normal mine is the exact same readings using a synthetic 5w30 oil.
What should the oil pressure be on a 1998 Chevy truck?
1998 Chevy Truck K 1500 Truck 4WD V8-5.7L VIN R Oil Pressure (Minimum at Normal Operating Temperature) 1000 42 kPa (6 psig) 2000 125 kPa (18 psig) 4000 166 kPa (24 psig)
What kind of oil does a 98 Yukon use?
I switched to Mobile 1 High Mileage 5W-30 synthetic. At 105,000 miles, all is good. Got a 98 Yukon with 220,000 on the clock, all it’s ever seen is 5W-30 and only uses about a 1/2 quart to maybe a quart between changes of around 3000 miles.
Can a low oil pressure cause engine to seize up?
Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the engine until the issue can be properly diagnosed. There are many things that can cause low oil pressure.
What happens if your GMC Sierra has low oil pressure?
One of the most serious issues that can happen to your GMC Sierra ‘s engine is if it ends up with low oil pressure. Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the engine until the issue can be properly diagnosed.
What should the oil pressure be in a Chevy truck?
When the truck is at warm idle the pressure should be within this range: 25 – 40 PSI When you are driving at speed the pressure should be within this range: 40 – 70 PSI
Is it normal for oil pressure to be high when the engine is cold?
When the engine is cold, it is normal for the oil pressure to be higher. However, if the oil gauge reading is at its highest reading even after the engine has had time to warm up, the oil gauge may be defective. This can be diagnosed with a manual oil pressure tester, either at home or by a mechanic.
Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the engine until the issue can be properly diagnosed. There are many things that can cause low oil pressure.
When its started cold it reads 60, when its warmed up at cruising speeds of about 55-60mph it reads 40, but as soon as the RPMs drop when I coast, idle, or drive under about 10-15mph (warmed up) the pressure reads 20. Is this normal.. Sure doesnt seem right to me. Yep totally normal mine is the exact same readings using a synthetic 5w30 oil.
When does the oil pressure come back up?
After the engine has been running for about a minute or so the oil pressure finally comes up but not to normal. Once the engine has warmed up the oil pressure returns to what could be considered “normal”.
Can a 4.7L OHC V8 have no oil pressure?
Other brands can produce a noisy cold start on the 4.7L OHC V8…But zero oil pressure for a minute, that’s very worrisome and probably not filter related… It’s time to drop the pan and take a look at the pump, tube and screen…
Why is my oil pressure sending unit not working?
You might consider a balky oil pressure sending unit as the cause (cheap) or an engine sludging issue. (not so cheap) Sending units are cheap and easy to change so it might be worth a shot to swap it out and see what happens. Senders are normally 5-20 bucks on most vehicles.