K1500 Improved Clutch Bleeding Procedure - Hot Rod Forum : Hotrodders Bulletin Board
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Old 08-20-2003, 02:04 PM
JvA JvA is offline
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K1500 Improved Clutch Bleeding Procedure

Am trying to find Chevy Tech Service Bulletin 01-07-31-002--"Improved Clutch Bleeding Procedure". My problem: installed new clutch master cylinder, bled the line, but now clutch is dragging--hard to get into gear & has play in the pedal. Did google search for TSB #, and got a hit on this forum. If anyone has(or knows where to get) this TSB OR knows the procedure, please reply--you'll be saving a lot of yanked out hair!!

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JvA

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Old 08-20-2003, 07:14 PM
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clutch bleed trouble

you didn't state this but was master cylinder after market? and what year model are you working on? chevy should sell the unit complete master cylinder line and slave cylinder and assembled makes it alot less trouble. another way is to back bleed the slave to to top I believe there a tool from phoenix its not cheep, I'm sure there are other tool companies that make that tool also, the other way is alot of pumping the pedal till you get it right, its not dragging the clutch you don't get enough push on the slave cylinder to compress the pressure plate which wont let the disc stop turning the input shaft.
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Old 08-20-2003, 08:48 PM
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Can you be specific with a year make and model? I can't search by TSB.
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Old 08-21-2003, 01:40 PM
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K1500

Thanks for the replies. It's a 95 Heavy Duty 5 spd. After mkt master cylinder. Master and slave were replaced right before I bought the truck(2 yrs ago). Replaced just the master this time--still trying to figure out why it would go bad that fast. Any help?

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JvA
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Old 08-21-2003, 04:27 PM
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I will search the database when I get home, hold tight.
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Old 08-21-2003, 10:49 PM
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Sorry?

Looked through 94-96 and couldn't find that TSB, I don't have the updates so it could still be out there, a Chevy dealer should be able to just print you a copy, have you asked? Most dealers are pretty good about giving you the TSB to avoid potential lawsuits.
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Old 08-29-2003, 08:30 PM
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To: 4 Jaw Chuck and airworld2

To: 4 Jaw Chuck,
Thanks for the advice to just go to the dealer for the TSB. After 6 phone calls, found a nice girl in the service dept who printed it out for me. Most of the guys I talked to weren't real helpful to shadetree mechs(guy #2 at dealer #6 svc dept grumbled something about TSBs for 'internal use only' while girl #1 hit the print button, smiled and said "he's having one of his many bad days"). Yeah, I believe to do it right do it yourself, but find somebody w/good advice. Hopefully always will, and have sites like this for the help.

To: airworld2,
You were right--had to get a Mityvac to back bleed the slave to the master. I was trying the 'lot of pumping till you get it right' method. Didn't work. Whatever happened to you sit in the driver's seat and pump, while your buddy works the bleeder screw. Or in reality, your buddy pumps and you turn the screw.

Thanks for the help guys, clutch is smooth as glass now. Gotta go. Need a haircut to even out the bald spots.

Thanks
JvA
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Old 08-29-2003, 09:03 PM
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