worn clutch??
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Joined: Oct 2001
Posts: 210
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From: Palm Springs CA
Im assuming your firebird has a T-56 (6 spd) in it.
If so...
Upon engaging the gears you hear "chattering" or some grinding which is most likely your pressure plate going out, about $150 for a new aftermarket one.
Throwout bearing-if this is worn, you will usually notice the chattering when pressing/engaging the clutch either at a stop, or during shifts throughout the drive. This is caused by improper installation or just plain ol wear and tear. The fingers on the pressure plate wont be fully disengaged. But this could also be due to a Slave Cylinder that is going out, or your master clutch cylinder or perhaps one of the 2 lines involving a hydraulic clutch. If one of these lines has a tear/hole....or even your bleeder valve on your slave cylinder....you are likely to pull air into the hydraulic clutch system when you press on the clutch. If your cylinder is going out, your clutch fork cannot travel the minimum .57 inches (assuming you have a 5.0/5.7 Firebird) to pull the throwout bearing from the fingers on the pressure plate due to lack of pressure.
This is all I can help you with, I'm no expert so get a second opinion. Im just basing this on my experience this weekend replacing both my Slave/Master cylinders and still get that chattering during shifts, occasionally.
If so...
Upon engaging the gears you hear "chattering" or some grinding which is most likely your pressure plate going out, about $150 for a new aftermarket one.
Throwout bearing-if this is worn, you will usually notice the chattering when pressing/engaging the clutch either at a stop, or during shifts throughout the drive. This is caused by improper installation or just plain ol wear and tear. The fingers on the pressure plate wont be fully disengaged. But this could also be due to a Slave Cylinder that is going out, or your master clutch cylinder or perhaps one of the 2 lines involving a hydraulic clutch. If one of these lines has a tear/hole....or even your bleeder valve on your slave cylinder....you are likely to pull air into the hydraulic clutch system when you press on the clutch. If your cylinder is going out, your clutch fork cannot travel the minimum .57 inches (assuming you have a 5.0/5.7 Firebird) to pull the throwout bearing from the fingers on the pressure plate due to lack of pressure.
This is all I can help you with, I'm no expert so get a second opinion. Im just basing this on my experience this weekend replacing both my Slave/Master cylinders and still get that chattering during shifts, occasionally.
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