The truck has a lifter noise at times when first starting up and will go away then will come back if you drive hard for a few miles keeps real good oil pressure was going to change lifter removed valve covers eng is vary clean on the inside found all passenger rockers clean and light in color but on drivers side the rockers are darker starting at number one cylinder and gets lighter going towards number 7 cylinder is there a problem somewhere I'm not seeing before I replace the lifters to stop the noise
Jul 18, 2014 at 6:15 PM
