loud squeal from ???? - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 10-04-2013, 11:21 PM Thread Starter
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loud squeal from ????

so im constantly getting this loud squeal when i start to accelerate and it goes away through the mid range and comes back as soon as i idle down and goes away again at idle.

i replaced alternator idler pulleys belt etc. and no change. at closer look the squeal appears to be coming from the pulley that drives the ac unit. i have no clue when it comes to ac so im reaching out here. my ac is not working either and that is do to a leak somewhere. i had my mechanic run die though it and he pin pointed the leak somewhere but it just cost to much to rebuild the unit at this time. the clutch works and engages fine.

so any suggestions for fixing the squeal? can i replace just the pulley, bearings etc....

also any kits to diy rebuild the ac unit and then just get it processionally charged?

im not really worried about having ac, heck its winter and i live by the beach, but this squeal noise is killing me and its embarrassing. haha!!

thank guys, B!!!!

"im sorry i didn't see you through the smoke"

1996 F350 PSD 7.3L CC LB OBS 4x4
16" procomp crawlers with 35" toyo mt's
3.5" SKY RSK, rancho 9000's
runell rear tow bumper
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post #2 of 8 Old 10-05-2013, 02:53 PM
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Spray the belt with the water and then tell us how it is.


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1996 F-350 Crew Cab 4x4, Auto, Toyo MT 315/65/16r, full force 160/30% injectors, Super Duty electric fuel system, RiffRaff regulated return, Driven diesel electric fuel pump controller, SWAMPS HVHF IDM, custom tuned TS chip, 1.0 Turbo, CX Intercooler, 4" Exhaust, 6637 Intake, 4.10 Gears, 225k+ miles.
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post #3 of 8 Old 10-05-2013, 04:50 PM
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Quote:
Originally Posted by westsiderippa View Post
so im constantly getting this loud squeal when i start to accelerate and it goes away through the mid range and comes back as soon as i idle down and goes away again at idle.

i replaced alternator idler pulleys belt etc. and no change. at closer look the squeal appears to be coming from the pulley that drives the ac unit. i have no clue when it comes to ac so im reaching out here. my ac is not working either and that is do to a leak somewhere. i had my mechanic run die though it and he pin pointed the leak somewhere but it just cost to much to rebuild the unit at this time. the clutch works and engages fine.

so any suggestions for fixing the squeal? can i replace just the pulley, bearings etc....

also any kits to diy rebuild the ac unit and then just get it processionally charged?

im not really worried about having ac, heck its winter and i live by the beach, but this squeal noise is killing me and its embarrassing. haha!!

thank guys, B!!!!
A replacement A/C compressor is about $200

Or you can totally bypass it with a bypass pulley from a non a/c truck. They are about $40

Looking for Blue 40-20-40 seats. PM me !!!!!!!
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post #4 of 8 Old 10-05-2013, 10:44 PM Thread Starter
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i will spray the belt tomorrow and report back. thanks for the other info too im going to look further into the bypass pulley option right now,

"im sorry i didn't see you through the smoke"

1996 F350 PSD 7.3L CC LB OBS 4x4
16" procomp crawlers with 35" toyo mt's
3.5" SKY RSK, rancho 9000's
runell rear tow bumper
custom head ache rack by drake's welding

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post #5 of 8 Old 10-06-2013, 05:21 AM
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Are you 100% sure its the AC pulley? I am just asking since the vacuum pump is right there and they are known to make some weird noises when they go out

Trucks and parts............
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post #6 of 8 Old 10-06-2013, 10:20 PM Thread Starter
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no change in the sound when i spray the belt. im alomst 100% sure the sound is coming from that pulley.

"im sorry i didn't see you through the smoke"

1996 F350 PSD 7.3L CC LB OBS 4x4
16" procomp crawlers with 35" toyo mt's
3.5" SKY RSK, rancho 9000's
runell rear tow bumper
custom head ache rack by drake's welding

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post #7 of 8 Old 10-07-2013, 02:58 AM
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The A/C pulley should be replaceable without changing pumps. I think napa will sell it as a new clutch.

1996 F-350 Crew Cab 4x4, Auto, Toyo MT 315/65/16r, full force 160/30% injectors, Super Duty electric fuel system, RiffRaff regulated return, Driven diesel electric fuel pump controller, SWAMPS HVHF IDM, custom tuned TS chip, 1.0 Turbo, CX Intercooler, 4" Exhaust, 6637 Intake, 4.10 Gears, 225k+ miles.
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post #8 of 8 Old 10-07-2013, 06:44 AM
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You can isolate the noise by taking a long screwdriver and placing one end on the suspected area and place your ear on the other end. If the noise gets louder when you place the end on it your getting close please Di not place the screwdriver on any moving parts

97 F-250 CCSB 4x4 7.3 E40D 305,000 miles 285/75/16 Cooper Discoverer at3s' diy 6637 intake diamond eye 4in stainless turbo back straight pipe auto meter pyro, trans temp and boost gages on triple a pillar pod baby swamps and php hydra chip - paid off 335hp 704tq currently getting 12.5 mpg hwy


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Don't mind JJ, he lives near Santa, but uses a powerstroke instead of reindeer
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