6.0 blue spring question.

tankeryanker

Member
Joined
Nov 4, 2015
Location
salisbury nc
I know that somewhere this has already been discussed but i did the blue spring upgrade and now when i turn the switch to prime before starting my truck there is a loud whining noise coming from the feul pressure regulator. Truck starts fine and the noise stops after started. Just wondering if this is to be expected because its pretty loud.
 
My old 6.0 never made an unusually loud noise after the blue spring mod except the first key on after changing the filter when it had to refill the bowl. You sure all the parts stayed in it? If I remember there was a tiny plastic check valve thing that fell out on mine once even though it normally had to be picked out.
 
Not sure if it stayed in place. Hope it did! Your right i did have to pick the old white plastic one out but when i put the new one in it didnt want to stay as well. Ill probably have to pull it back off and double check. Thanks
 
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