So i have had a miss at low rpms since febuary. My gas milleage has been getting progressivly worse, down to about 6. Then there was a little clatter and it was very confusing. I thought i had a serious engine problem. Well today i had a nasty knock only at low rpms and the truck had no *****, and there was a whining noise. So as im looking at stuff, i decide to take the belt off and check all pulley. The solid pulley between the alternator and the ac pump was almost frozen with a little play in it, so i take it of and theres bearings in there and they were beyond junk! so i bough a new one, put it on and the truck has never ran better! All the power it used to have and im geting about 11mpg again. If your truck has a bad miss, check this little pulley before you go spending big bucks on something it dosent need!!!

 

Good info. It's never what you think it is.

 

yea you might check your belt tensioner pulley as well since u replaced the idler one i did both of mine. Godd thing you got it done before it sezied up or it would have been bye bye belt.

 

that reminds me. I need to get an idler and tensioner from rockauto.

Keeping a spare idler pulley and belt in your truck is a great think if you are traveling long distances.

Nothing is more embarrasing that having to bring your truck into a ship to get those things replaced...only because you don't have the parts and you need a tow from the highway.

Of course your idler pulley breaks when you are moving the family from NY to Oklahoma. Never when you are going 5 miles to work.

 

Strange that it would cause a miss but great info!

 

my went bad a made a bad grinding sound and started to melt the belt

 

thanks man bet your 0-60 got better by 2 secs :0

 

the truck got to the point wear it didnt realy want to move, cause the belt would almost get stuck, putting so much resistence on the crank pully to spin. Now i can spin the tires again when i mash the gas! also the belt would get so hot from spinning over that pully, its got bubbles in it.

 

So what you're saying is that, normal wear and tear can happen?



/facepalm

 

unfortinely......yes it can. haha thats an awsome pic, but i just though it was a realy stupid problem that seemed to be something way more surious!