Why is my oil pressure sensor on my Tahoe Yukon leaking?

The sending unit was leaking oil and was dripping down the back of the engine to the bottom of the bell housing and looked like a rear main-seal leak. The fix is to replace the failed sending unit. This process works on Suburban, Silverado, Tahoe, Yukon or any GM truck with the 5.3 vortec V8 and is the same for the 6.2.

Why does my 5.3 liter engine burn so much oil?

If you notice that your truck is regularly running above that (or it just feels high to you) it’s can never hurt to make an appointment at your local shop for an oil consumption test. One common problem seen in the 5.3-liter engine is a failure of the valve cover to seal, which can cause heavy oil burn.

How much oil should I put in my GM Sierra?

First off, the General Motors standard for acceptable oil usage in the Sierra is 0.946 liter every 3200 km. If you notice that your truck is regularly running above that (or it just feels high to you) it’s can never hurt to make an appointment at your local shop for an oil consumption test.

Is the GM 5.3L V8 engine eating up too much oil?

Now, to be fair: Not every GM 5.3L V8 has problems with AFM. Many consumers report a trouble-free ownership experience. Still, AFM problems exist. The AFM excessive oil consumption problem usually crops up on vehicles that go on long highway drives.

Why is my 2005 Chevy Silverado 5.3 leaking oil?

2005 chevy silverado 5.3 oil comsumption ? I’ve been searching all over the web for why my motor would be loosing 2 quarts of oil between oil changes. Today I did my knock sensors. While removing the hose, from the throadal body to the valve cover on the pasanger side, I found it to be cracked up both sides about an 1 1/2″.

What causes an engine to use too much oil?

Oil consumption, which most consumers define as an engine that uses more than one quart of oil every 3,000 to 5,000 miles. Engine problems due to fouled or damaged valves, which can be caused by the excessive oil consumption issue.

What kind of oil is in my Chevy Silverado?

Today I did my knock sensors. While removing the hose, from the throadal body to the valve cover on the pasanger side, I found it to be cracked up both sides about an 1 1/2″. Then apon removing the intake, oil starting pouring out of the throadal body/intake. Lots of oil baked on the inside of the heads too.