LS7 Lifter preload??
Thread Starter
On The Tree
Joined: Oct 2013
Posts: 135
Likes: 0
Not necessarily, lifters can bleed down from sitting and require little effort to push the plunger down. Bad lifters normally will be collapsed or the roller surface will be compromised.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
Thread Starter
On The Tree
Joined: Oct 2013
Posts: 135
Likes: 0
Not necessarily, lifters can bleed down from sitting and require little effort to push the plunger down. Bad lifters normally will be collapsed or the roller surface will be compromised.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
Thread Starter
On The Tree
Joined: Oct 2013
Posts: 135
Likes: 0
Not necessarily, lifters can bleed down from sitting and require little effort to push the plunger down. Bad lifters normally will be collapsed or the roller surface will be compromised.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
Thread Starter
On The Tree
Joined: Oct 2013
Posts: 135
Likes: 0
Not necessarily, lifters can bleed down from sitting and require little effort to push the plunger down. Bad lifters normally will be collapsed or the roller surface will be compromised.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
You could have a pinched o ring around the oil pump pickup tube or a bad seal around the cam retainer plate. Both of those can cause noisy lifters at idle and low rpm.
Staging Lane
Joined: Mar 2019
Posts: 56
Likes: 0
so I put the new lifters in. Put it all back together and it's making the same exact noise..... keep in mind I did not change the cam retainer plate or did anything with the oil pump (which was working just fine) I don't know what to do next..... pm me and I'll send you my number so I can send you a video..
did u ever figure thus out. Or fix it..?
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