A knocking sound usually means a bad or broken rod, but not being able to listen to it myself first thing I would do is check your oil and anti-freeze levels. Then I would take it to a REPUTABLE mechanic
Did you ever fibd out what it was because my 94 chevy Silverado 5 7 is now doing the sane thing. L.B.
Sounds like a spray can when it's empty
1990 Chevrolet C/K 1500 Silverado Extended Cab 4WD
-
Maintenance & Repair
It does the knock when the truck is cold and goes away when its warmed up. I changed the oil from a 5w-30 to a 10w-30 and it went away for a while and now it started back up. The truck almost up to ...
1996 Chevrolet C/K 1500 Cheyenne Extended Cab RWD
-
Maintenance & Repair
I have a brand new sending unit and fuel pump and there is plenty of fuel pressure and spark cause if I take some starting fluid and spray it into the throttle body it will run fine, I'm stumped ...
1998 Chevrolet C/K 1500 Cheyenne Extended Cab RWD
-
Maintenance & Repair
I turned my and just pulled out of the driveway and my truck turn all the way off with no power and I was stuck in the middle of the road and I had to push my truck out the middle of the road but o...
1998 Chevrolet C/K 1500 Silverado Extended Cab RWD
-
Maintenance & Repair
I have a 1995 Chevy K 1500 5.7 having a problem with the fuel injection seems to one side to get more field in the other one I put a new fuel injector in it if I unplug the left side the truck stal...
1995 Chevrolet C/K 1500 Cheyenne Extended Cab 4WD
-
Maintenance & Repair
Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.