wicked squeal from transmission, wondering why - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mdimarzi · 01-17-2010, 04:52 PM

i just made a 900 mile trip last week from Massachusetts to Indiana and my '68 K10 ran beautifully the whole way. but after i got i got her going the next day and for about a minute or two after i get her on the road its making this nasty squealing noise when i shift through the gears and after a minute or two it goes away. i'm just wondering if its something i should be concerned with or if there is anything i can do to fix it or if it will just go away.
thanks for your help.

Sinister · 01-17-2010, 05:02 PM

Sure it's the transmission and not a belt slipping?

jay6891 · 01-17-2010, 05:02 PM

Standard Transmission? Sounds like a throw out bearing. I would check fluid in trans just to be sure also. Noises hardly ever go away, usually will get worse as time goes on.

Longhorn Man · 01-17-2010, 05:14 PM

usually when they go away, is about the time you are calling for a wrecker.

mdimarzi · 01-17-2010, 05:41 PM

i guessed transmission because it starts happening when i get her going and is worst in third gear, but i really have no idea. i think i'll start by checking tran fluid and i don't really know how to check to see if a belt is slipping significantly like that, besides if it is just really loose. i appreciate your help and if anyone has any other ideas that would be awesome.

mdimarzi · 01-17-2010, 05:44 PM

oh yeah, i'm not familiar at all with vehicles like this, this baby is still new to me. but i'm guessing that a throw out bearing would not be easy or cheap to fix. any ideas on how to check that?

bigbadchev72 · 01-17-2010, 06:31 PM

Another vote for belts, check tightness, and overall condition of them

69 longhorn · 01-17-2010, 06:31 PM

Well, the throw out bearing shouldnt make any noises when the clutch is UP.....you will hear it when you depress the clutch to shift. u joints can squeal like he!! if they are on the way out....just a thought?

mdimarzi · 01-18-2010, 02:10 AM

thanks again for all of the help, i'm definitely going to check the belts and see what i can do. i'll let you know how it goes.

01-17-2010, 04:52 PM	#1
mdimarzi Registered User Join Date: Sep 2009 Location: rutland, ma Posts: 8	wicked squeal from transmission, wondering why i just made a 900 mile trip last week from Massachusetts to Indiana and my '68 K10 ran beautifully the whole way. but after i got i got her going the next day and for about a minute or two after i get her on the road its making this nasty squealing noise when i shift through the gears and after a minute or two it goes away. i'm just wondering if its something i should be concerned with or if there is anything i can do to fix it or if it will just go away. thanks for your help.

01-17-2010, 05:02 PM	#2
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Re: wicked squeal from transmission, wondering why Sure it's the transmission and not a belt slipping? __________________ Beat it to fit, Paint it to match...

01-17-2010, 05:02 PM	#3
jay6891 Car Knocker Join Date: May 2001 Location: jefferson,arkansas Posts: 664	Re: wicked squeal from transmission, wondering why Standard Transmission? Sounds like a throw out bearing. I would check fluid in trans just to be sure also. Noises hardly ever go away, usually will get worse as time goes on. __________________ 68 c-10,91 sportside bed,350 .030 over,4 bolt,10-1 comp,2.05 intake/1.94 exhaust,1.6 Harland Sharp roller rockers,edelbrock rpm cam and intake w/750 carb, 700r4, 3.73 gears,Jacabbs Electronic Igntion w/Accel HEI distributer and super coil. ZR-1 roll pan, filled tailights. Blazer tank. Hidden hitch. 2 1/2" Flowmaster 40's. Parts bought but not installed>> ford 9" posi with disc. CCP front and rear lowering kit 4/5. Cab corners,foor boards,rockers, cab braces, Phatom grill, Painless wiring kit.

01-17-2010, 05:14 PM	#4
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: wicked squeal from transmission, wondering why usually when they go away, is about the time you are calling for a wrecker.

01-17-2010, 05:41 PM	#5
mdimarzi Registered User Join Date: Sep 2009 Location: rutland, ma Posts: 8	Re: wicked squeal from transmission, wondering why i guessed transmission because it starts happening when i get her going and is worst in third gear, but i really have no idea. i think i'll start by checking tran fluid and i don't really know how to check to see if a belt is slipping significantly like that, besides if it is just really loose. i appreciate your help and if anyone has any other ideas that would be awesome.

01-17-2010, 05:44 PM	#6
mdimarzi Registered User Join Date: Sep 2009 Location: rutland, ma Posts: 8	Re: wicked squeal from transmission, wondering why oh yeah, i'm not familiar at all with vehicles like this, this baby is still new to me. but i'm guessing that a throw out bearing would not be easy or cheap to fix. any ideas on how to check that?

01-17-2010, 06:31 PM	#7
bigbadchev72 People know me Join Date: Jun 2007 Location: Hermiston, oregon Posts: 840	Re: wicked squeal from transmission, wondering why Another vote for belts, check tightness, and overall condition of them __________________ 1972 k/5 blazer CST 4X4 Crate 350, th350/205, dana44with trac-loc/14 bolt with detroit locker, 4 wheel discs 4.56s, 8" suspension lift using 73-87springs, 1" zerorate custom front crossmember, HAD CV drivelines and driveshaft e-brake, full cage, PRP seats, Full autometer gauges, 38x14.5x16 Toyo M/Ts, 16x10 Polished aluminum rockcrusher wheels 1967 longbox 4x4, Strong 400/400/208, 44/12bolt 4.10s, 6" lift, 35" Toyo M/Ts on corvette rally wheels

01-17-2010, 06:31 PM	#8
69 longhorn Registered User Join Date: Aug 2001 Location: rock island,il,usa Posts: 5,382	Re: wicked squeal from transmission, wondering why Well, the throw out bearing shouldnt make any noises when the clutch is UP.....you will hear it when you depress the clutch to shift. u joints can squeal like he!! if they are on the way out....just a thought? __________________ http://community.webshots.com/user/hotrodhorn Last edited by 69 longhorn; 01-17-2010 at 06:34 PM. Reason: more info

01-18-2010, 02:10 AM	#9
mdimarzi Registered User Join Date: Sep 2009 Location: rutland, ma Posts: 8	Re: wicked squeal from transmission, wondering why thanks again for all of the help, i'm definitely going to check the belts and see what i can do. i'll let you know how it goes.



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