I thought I had a seen a similar post again, so i searched, and didn't really find much....so here it is.

Here's a little advise to some of you that don't know.

I've been getting a squeeking upon start up and lasts till i run it for about a good 1/2 hour. Pulled the belt off the blower and it stopped, so i ordered a new belt. Took the old belt off and couldn't believe how gummy it was. Only just over a year old and probably 5k miles on it if that. Maybe some cleaning products got on it or something, i don't know but there was actually residue on the pulleys from it. So i cleaned the pulleys down. I removed the two idler pulleys for the belt and pulled the seals on the bearings. What you would call grease, was all built up along the race and it was all hard!!!! When I pulled the pulley off and tryed to spin it........forget it. So i cleaned out all the crap in the bearing and re-packed them and put them on with the new belt. What a difference. Soooo much quieter and even feels like the truck pulls a little harder. No doubt that belt was slipping......probably pretty bad too. Truck only has 15800 miles..........and the grease was junk so you may want to add idler pulleys to the list of things to maintain a little more carefully. Specially where we are spinning them alot fast then stock. I used a high temp lithium grease we use in my shop for greasing bearing and gear cases for some of the landscape equipment we work on. We are talking some bearing that are spinning at close to 20k rpm's so should be more than adequate for these bearings. The regular bearing grease that was in there looked like it was just cooked.

 

ive been meaning to change my blower belt....

 

here's a good how to from Paul at REM:
https://www.f150online.com/forums/sh...=pulley+grease

 

Good post I think Ill check mine now.

 

I posted something simular about the tensioners going bad.

Took the truck to the track and was making some chitty numbers. Couldn't figure out why I was only making 11 lb of boost? Ran my hand around the snout of the supercharger and fould a chit load of belt dust.

Squezzed the supercharger belt just under the upper pulley and I could squeez the belt to gether with little force.

Replaced the tensioner and greased the ideler pulleys. Making a solid 18 lb of boost daily driver now.

Replaced

 

Official Tim Skelton disclaimer.

 

AmmoJohnny your killin me... Good one LMAO