why are the lifters rattling in the engine

2003 CHEVROLET TRUCK
168,000 MILES
Avatar
GUNSHUFFLER0378
  • MEMBER
  • 10 POSTS
after i run about 100 miles at 75 mph . the next morning when i start the truck the lifters rattle very loud for about 4 minutes. I can drive every day at 60 mph and it never rattles.
Sep 2, 2011 at 7:26 PM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
When it happens, you need to check oil pressure with a mechanical oil gauge. It will screw into the sending unit port. See if the pressure is low. Also, make sure the oil isn't contaminated with coolant or fuel.
Sep 2, 2011 at 7:30 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.