Yup it appears to be twisted.
CK5
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I noticed the lack of depth on the pulley too. It should ride deeper.
What compressor do you have?
Martin
Martin
Gigantic factory replacement A6 compressor. I wish I would have figured how to put in a Sanden type.
Have to think about how I could correct that with this bracket setup. May have to ditch it. If it is making the alternator crooked, that's a problem on top of it being barely long enough to fully tension the belt.
I don't have the belt fully tightened. I only had a crescent wrench and I was in a hurry.
This obviously isn't a popular opinion, but the depth of the alternator pulley doesn't bother me. The alignment isn't good, IMO.
I have a couple of the bar stock pullies with 105 amp alternators and they are pretty much the same. No problems with either one, but I never spin those engines over 5500rpm, it could be more of a problem with higher rpm.
The crank pulley looks repairable to me.
I have a couple of the bar stock pullies with 105 amp alternators and they are pretty much the same. No problems with either one, but I never spin those engines over 5500rpm, it could be more of a problem with higher rpm.
The crank pulley looks repairable to me.
Looks to me like the alternator is a 1/4" or so ahead of the rest of the pulleys. With that bur on the crank pulley and the alternator pushing the belt forward, sounds like you've found your issue. I'd at least take a file to that bur on the crank pulley.
Interesting info I found out looking for a new belt. The v-belt on the truck now and the one that failed have a top width of 0.44". The other belts I've used in the past have all been 0.41" wide. That might be why it looks like the belt in my picture isn't riding very deep. I'm also thinking that could have made the dimple in the crank pulley more detrimental to the belt that shredded.
I feel like the alignment in person looks better than the photos show. I even put my reading glasses on when I was looking at it. I'll have the belt off tomorrow so I can get a better look at how the grooves line up.
I feel like the alignment in person looks better than the photos show. I even put my reading glasses on when I was looking at it. I'll have the belt off tomorrow so I can get a better look at how the grooves line up.
I agree.
That pulley is the problem.
It looks pretty banged up.
Funny how you didn't notice it until now
Yeah if you deal with v-belts for industrial or more than just an automotive search by application there's a lot of different styles and sizes.
That's why I'm thinking it was dinged when I dropped the engine in. The slightly wider belt had an issue with the pulley. I was looking at the belt I took off and it doesn't show any sign of trouble.
Either way, when I have the belt off I'm gonna check pulley alignment. The alternator pulley is thicker so using a straight edge doesn't work as well.
Line of sight is the best tool for checking alignment of pulleys.
Stand in line with it and look at it, with one eye obviously. You want to look in the groove
Oil changed, new Napa belt (made by Gates), and the dent in the pulley straightened out. I don't know, I think the pulleys are lined up okay. I agree the pictures don't look great but I swear in person they seem okay.
It also occurred to me the Banks iDash connected to the PF4 should be able to give me parameter alerts.
It can indeed, so I set one for ECT over 240° and also battery voltage less than 11V. That way I won't be ignorant of an issue quite so long next time.
It also occurred to me the Banks iDash connected to the PF4 should be able to give me parameter alerts.
It can indeed, so I set one for ECT over 240° and also battery voltage less than 11V. That way I won't be ignorant of an issue quite so long next time.
You should set it for under 12v.
By the time it's 11v you're not able to go far to a safe place.
It shouldn't go below 13v when engine is running but under heavy load from too many accessories I have seen some go to 12.5v
Some of us are taller than 5ft.
The PF4 tends to read battery voltage on the low side. That observation pops up on the Edelbrock PF4 forum frequently. Mine will drop to 12.5V at idle with the AC going on high fan speed until the PF4 catches up on the idle control.
I was thinking I should change the ECT warning to 220°F.
Don’t cheap shot @ktmoutfront
No. I assigned the other pronoun to him…
I'm finally getting the PF4 dialed to where it doesn't stall when shifting into gear every time. Down to about 30% of the time. A new thing started happening however. For 3 or 4 days in a row, the engine would stall while cruising steady speed. It was always on the drive home. If I just kept my foot on the throttle like nothing happened the engine would pick back up and keep going. It would only happen once in the 30 minute drive. Read on for what has caused that issue to go away.
I discovered something interesting about the fuel I'm using. Engine manufacturer wants minimum 91 octane which is premium in Colorado. Our regular is 85. The lower numbers are due to altitude. So I figure I can get away with 89 octane but our midgrade is 87. However the nearest Circle K has alcohol free gas that is 89. So I tried it and the PF4 really likes it!
First of all, since switching to this fuel it hasn't stalled. I had to put a tank of premium in once since the discovery and it did stall like it had been. Put the 89 octane alcohol free gas in again and no stall.
It also gets better fuel mileage. I was getting about 13.3mpg on 91 octane but I got 14mpg on the last tank of alcohol free.
Also get less of the stalling when shifting into gear issue on this gas.
Not sure I could give any idea why this fuel would be so much better, but it's noticeable and consistent.
I'd like to find another station with 89 octane alcohol free gas to see if it behaves the same. The other 2 ethanol free stations I know of are 87 and 91 octane.
I discovered something interesting about the fuel I'm using. Engine manufacturer wants minimum 91 octane which is premium in Colorado. Our regular is 85. The lower numbers are due to altitude. So I figure I can get away with 89 octane but our midgrade is 87. However the nearest Circle K has alcohol free gas that is 89. So I tried it and the PF4 really likes it!
First of all, since switching to this fuel it hasn't stalled. I had to put a tank of premium in once since the discovery and it did stall like it had been. Put the 89 octane alcohol free gas in again and no stall.
It also gets better fuel mileage. I was getting about 13.3mpg on 91 octane but I got 14mpg on the last tank of alcohol free.
Also get less of the stalling when shifting into gear issue on this gas.
Not sure I could give any idea why this fuel would be so much better, but it's noticeable and consistent.
I'd like to find another station with 89 octane alcohol free gas to see if it behaves the same. The other 2 ethanol free stations I know of are 87 and 91 octane.
