Why is my truck leaking so much oil?

The vast majority of leaks are due to degraded engine gaskets, oil pan leaks, oil seals or bad connections. Crawl under the car and check the oil pan seals. While you’re there also check the oil pan drain plug. Next check the timing cover seal and the valve cover gaskets.

Is there an oil leak in my Silverado?

See all problems of the 2007 Chevrolet Silverado 1500 . The contact owns a 2003 Chevrolet silvarado 1500. While the vehicle was parked, the contact noticed there was an oil leak from under the vehicle. The vehicle was taken to the local dealer who replaced the transfer case.

What kind of oil does a 1999 Chevy Silverado use?

I traded in a 1999 silverado with 201000 miles it used no oil. Gm needs to take care of this problem as I hear it happens to far to many trucks with the 5. 3 engine. See all problems of the 2012 Chevrolet Silverado 1500 . The contact owns a 2014 Chevrolet Silverado 1500.

What kind of oil does a 2014 Chevy Silverado use?

See all problems of the 2014 Chevrolet Silverado 1500 . Got truck 1-25-16 with 49066 miles now 9-12-2018 has 94000 use’s oil between changes. I always change when oil life monitor says 10% life left use ac delco dexos oil doesn’t leak or smoke . I traded in a 1999 silverado with 201000 miles it used no oil.

Why do I need oil cooling lines in my Chevy Silverado?

Oil cooling lines keeps the oil inside the engine from getting to hot. It can be a hazard for the lines to leak and or the oil to get to hot and ruin the engine causing major issues with putting builds all over the highways. Oil cooling lines should be included in a powertrain warranty and not bumper to bumper.

Where does the oil leak come from on a GMC Truck?

It CANNOT go up. OP said leak *appears* to be coming from above the rear main seal, which *could* rule out the oil pan. However, rear main seal or oil pan gasket or both could be failing. Though as mentioned in another post, it could be coming from the oil pressure sensor.