Pulley Problem
Thread Starter
Melting Slicks
Joined: Dec 2015
Posts: 3,181
Likes: 732
From: Texas City, TX Texas
We swapped another engine in and some parts had gotten lost, we got the pulleys of my buddies parts stash, I will look into the P/S pump, that is the one that's not lined up properly.
Safety Car
Joined: Sep 2005
Posts: 4,203
Likes: 643
From: Orange County Ca
One good thing about V belts is that it doesn't hurt if they are misaligned a bit.
Per the squealing. I've found that the reason they squeal is that they are slipping, not slightly misaligned. Old, hard, belt? Too loose? Glazed, etc.?
Some times you can wipe the belts and pulleys down with acetone to remove any oil, etc.
Per the squealing. I've found that the reason they squeal is that they are slipping, not slightly misaligned. Old, hard, belt? Too loose? Glazed, etc.?
Some times you can wipe the belts and pulleys down with acetone to remove any oil, etc.
Last edited by Sayfoo; Feb 23, 2021 at 07:57 PM.
1967 Pedal Car Champion
Joined: Mar 2020
Posts: 8,900
Likes: 4,075
From: US-PNW
What is your engine configuration? (what power accessories driven off the engine, like a/c, p/s, AIR pump, alternator)
If you have the AIM (assembly instruction manual) or someone is kind enough to look it up in theirs, you'll find all of the proper pulleys and setup. It appears to me that your alternator belt should maybe be on the next grooves out from the engine. Also, there aren't generally empty pulley grooves in the factory setups so something is missing, but without seeing the AIM, I don't have confidence in saying that definitively. Some alternators were driven off the power steering, so to be confident the AIM is going to be your go-to source.
Le Mans Master
Joined: Aug 2017
Posts: 8,336
Likes: 2,809
From: Cool Northern Michigan
One thing about photographing belt alignment, even a $600 lens makes things look wonky.
I do see a shiny bolt on the PS pump. The shank of the bolt indicates something is out of alignment down there. Because you used non Vette parts, I would suspect the PS mounting bracket or bolts / washers. That bolt should not have any "play" showing.
When you go to tighten the PS pump upper bolt, jam a wood pry stick between block and the PS rez for leverage. Snug upper bolt then bottom later. The wood stick will not damage the thin metal PS rez.
I do see a shiny bolt on the PS pump. The shank of the bolt indicates something is out of alignment down there. Because you used non Vette parts, I would suspect the PS mounting bracket or bolts / washers. That bolt should not have any "play" showing.
When you go to tighten the PS pump upper bolt, jam a wood pry stick between block and the PS rez for leverage. Snug upper bolt then bottom later. The wood stick will not damage the thin metal PS rez.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
2027 Corvette vs The World: Every Model vs Closest Competitor
Joe Kucinski
10 Most Common Corvette Problems of the Last 20 Years!
Joe Kucinski
5 MOST and 5 LEAST Popular Corvette Model Years in History!
Joe Kucinski
2027 Corvette Buyer's Guide: Everything You Need to Know!
Joe Kucinski
10 Things C8 Corvette Owners Hate (But Won't Tell You)
Joe Kucinski
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!
Brett Foote
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)
Joe Kucinski
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!
Michael S. Palmer
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!
Joe Kucinski
Thread Starter
Melting Slicks
Joined: Dec 2015
Posts: 3,181
Likes: 732
From: Texas City, TX Texas
Thanks for all the suggestions. The original engine was long gone when I got the car, and the engine that was in it, has been blown up as well. The A/C compressor is not installed, hence the empty pulley.
Melting Slicks
Joined: Apr 2010
Posts: 2,312
Likes: 163
From: Broadview hts Ohio
Do you have the stamped steel pulley on the PS pump or the cast pulley? There are many different configurations for the pulleys
for the small block engines. I had a hard time with mine also as someone put the wrong PS pump in the car (1969). Once I got
the correct PS pump/Pulley they no longer lined up.
I had to research the correct part number pulleys for the crank, ps pump and water pump.
What a pain.
Joe
for the small block engines. I had a hard time with mine also as someone put the wrong PS pump in the car (1969). Once I got
the correct PS pump/Pulley they no longer lined up.
I had to research the correct part number pulleys for the crank, ps pump and water pump.
What a pain.
Joe
Thread Starter
Melting Slicks
Joined: Dec 2015
Posts: 3,181
Likes: 732
From: Texas City, TX Texas
Not sure what the pulley is made of. Also, my cast iron alternator bracket blocks the P/S cap. What a pain is right! Serpentine belt is looking mighty attractive...
Melting Slicks
Joined: Apr 2010
Posts: 2,312
Likes: 163
From: Broadview hts Ohio
If the PS pulley looks like a dish rather than having spokes then it is the steel pulley. Like I said there are so many combinations
and the length of the water pump shaft play a role also.
Good luck,
Joe
and the length of the water pump shaft play a role also.
Good luck,
Joe
Melting Slicks
Joined: Apr 2010
Posts: 2,312
Likes: 163
From: Broadview hts Ohio
OK, the cast spoke type PS pulley, when mounted on the pump is a different distance from the pump itself. My car is bundled
up still for winter or I would go out and snap a few pics for you. Pics do not always help though as I said there are many pulley
variations and unless you have access to the part numbers looks can be deceiving.
Joe
up still for winter or I would go out and snap a few pics for you. Pics do not always help though as I said there are many pulley
variations and unless you have access to the part numbers looks can be deceiving.
Joe
Thread Starter
Melting Slicks
Joined: Dec 2015
Posts: 3,181
Likes: 732
From: Texas City, TX Texas
Very much so. Thanks so much Joe, I'll get 'er sorted out sooner or later...I drove her to work yesterday and ran errands around the island, even with the car not being right in so many ways, still a blast to drive!