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Belt Squeal
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08 Jun 2018 05:21 #193283
by Riccy
J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp
Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...
www.youtube.com/user/riclemus
Replied by Riccy on topic Belt Squeal
Check what voltage you get when the engine is running, should be nearer to 14v. if its 12ish then the altenator needs replaced, 14ish then its the battery

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp
Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...
www.youtube.com/user/riclemus
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- apayne
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08 Jun 2018 16:32 #193300
by apayne
Replied by apayne on topic Belt Squeal
With engine running it’s reading well within 14v so must be the battery! Thanks for you reply
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03 Dec 2021 10:12 #240453
by JTwigg94
Replied by JTwigg94 on topic Belt Squeal
One of the belts on my jimny has started to squeal mainly with these colder days coming in and it goes on for a while unless I drop the clutch for a short second or 2? Any advice would be appreciated
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- mickt
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03 Dec 2021 14:46 #240460
by mickt
Replied by mickt on topic Belt Squeal
Check the condition of the belts and their tension is your first port of call. Pressing the clutch takes load off the engine hence less load on the belt/s.
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- lookonimages
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03 Dec 2021 16:54 - 03 Dec 2021 16:57 #240466
by lookonimages
Replied by lookonimages on topic Re:Belt Squeal
tension of belts most times culprit
cold it squeal. second or 4 and belt/pully heat up, tension better and squeal dissappear
cold it squeal. second or 4 and belt/pully heat up, tension better and squeal dissappear
Last edit: 03 Dec 2021 16:57 by lookonimages.
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- mickt
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03 Dec 2021 18:32 #240467
by mickt
Replied by mickt on topic Re:Belt Squeal
As mentioned at the beginning of this thread (started in 2017) remove the belts and check the alternator by spinning it. It should be nice and free with no play. Then check the up and down and in and out movement when holding the pulley. The pulley itself needs a good inspection too checking for damage where the belt fits.If all smooth and free then the belts need a good inspection and ensure they are the correct ones.
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