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Fan hits belt
Posted: Sat Aug 03, 2024 12:09 pm
by John Illinois
This is one of the last things to fix before I drive my T. The belt seems to run near front edge of engiine pulley .
Original engine pulley, rebuilt original fan pulley, and new repro fan.
Re: Fan hits belt
Posted: Sat Aug 03, 2024 12:18 pm
by George House
Judging from the picture, I wouldn’t worry about it. You could place a washer between cam cover and fan bracket. Thatll place fan blades a mite closer to radiator fins. As long as your belt isn’t thrown, I wouldn’t worry about it.
Re: Fan hits belt
Posted: Sat Aug 03, 2024 12:24 pm
by Moxie26
Pulleys should have a center high spot purposely to have the belt run in the center of the pulley
Re: Fan hits belt
Posted: Sat Aug 03, 2024 12:28 pm
by Norman Kling
How is the bushing or bearing in the fan ? If it is worn it could cause a tilt in the pulley.
Norm
Re: Fan hits belt
Posted: Sat Aug 03, 2024 1:18 pm
by Original Smith
I have had to put a thin washer on a couple of my cars to move the belt to the middle.
Re: Fan hits belt
Posted: Sat Aug 03, 2024 4:32 pm
by John Illinois
Thanks for the ideas. The fan his the belt and shreds the edge while making a racket. The fan hub has new bushings. I may try washers.
John
Re: Fan hits belt
Posted: Sat Aug 03, 2024 4:57 pm
by Mark Nunn
Turn the belt around. Will it run against the rear of the pulley? It's a cheap test.
Re: Fan hits belt
Posted: Sat Aug 03, 2024 4:58 pm
by Jerry VanOoteghem
John,
I just installed one of those new fan blades myself. They seem to have a greater pitch than originals. In my case, it hit the water pump pulley, (yes, I know, I deserve it...). The fix was easy. I gently bent the blades forward, away from the pump pulley. They bent surprisingly easy and only needed to move about 1/4". Give it a try.
Re: Fan hits belt
Posted: Sat Aug 03, 2024 6:51 pm
by signsup
If all else fails, I've got one of those aftermarket accessories that bolt on and keep the belt on the pulley. I posted a pic and a help ID part on this fourm if it helps solve a problem.
Re: Fan hits belt
Posted: Sat Aug 03, 2024 9:03 pm
by Moxie26
Installing a thicker spacer that was used on the 26-27 with a three row radiator Will bring the fan closer to the radiator. Maybe a little more than a half inch.
Re: Fan hits belt
Posted: Sat Aug 03, 2024 9:47 pm
by Allan
Jerry has spotted it. That fan has way more twist in the blades than usual. I'd be looking for an original one. Putting a spacer washer between the fan arm and the timing cover will not alter the relationship of the fan to the belt.
If the belt runs on the front of the pulley, most likely the fan arm is bent down a bit at the front. Don't try bending it on the engine, putting the timing cover at risk of being broken. Set the arm up in a vice at the angle it runs on the car, fit a big crescent wrench over the threaded boss and heave away.
You may need to make adjustments as you go
Hope this helps.
Allan from down under.
Re: Fan hits belt
Posted: Sun Aug 04, 2024 8:50 am
by John Illinois
Jerry thanks a lot. I thought the new blades had a lot of pitch and also the old fan did not hit. I did not keep old fan to. compare. It was cracked
Allan I will check that also.
John