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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...   2020 suburban new transmission and issues after install recently had the transmission fail at 11...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a...   Caliper piston post cleaning won't screw in Hello, 2013 Hyundai Elantra limited (ma...

Search Auto Parts Search Air leak in Clutch System Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting theorifice New User Oct 22, 2012, 8:27 AM Post #1 of 6 (3626 views) Air leak in Clutch System Sign In I have a 2005 Pontiac Sunfire that appears to be sucking in air into the clutch lines. I've bled the system twice and each time, pressure is restored for a day or two of use before I start feeling pressure loss. There are no apparent leaks and fluid levels stay consistent so I'm guessing that air is being sucked in to the system. Not sure if it's relevant, but if I have the reservoir cap off and quickly disengage the clutch pedal, I can see fluid splashing out of the reservoir. How does one diagnose an air leak in the clutch lines? Hammer Time Ultimate Carjunky / Moderator Oct 22, 2012, 8:36 AM Post #2 of 6 (3619 views) Re: Air leak in Clutch System Sign In The Clutch Master is about the only thing that can do that. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Tom Greenleaf Ultimate Carjunky / Moderator Oct 22, 2012, 8:47 AM Post #3 of 6 (3602 views) Re: Air leak in Clutch System Sign In Hmmm? You've bled it twice and it works better. Are you sure when you bled it that air really came out at all? Difficult to believe that air can get in without fluid evidence leaking out but can't say that it can't happen. It should be using DOT 3 brake fluid which if you are in frequent rains would likely wash away as it's not an oil and will wash off with water. If anything but the correct product has ever been used all rubber parts holding or sealing fluid would give out perhaps slowly all depending how much of what might have contaminated it. That's a possibility. The master or slave can fail to make or hold pressure and not leak also. Guessing it begins to fail to disengage clutch, hard shifting noted and less pressure required on the clutch pedal. If it pumps up and behaves for a bit doing nothing else and NO contamination possible pick the easiest of master or slave first and check flex hose or just do it all, T Hammer Time Ultimate Carjunky / Moderator Oct 22, 2012, 9:01 AM Post #4 of 6 (3594 views) Re: Air leak in Clutch System Sign In It can pull air in through the back of the master. That's the only place it ever happens though. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Tom Greenleaf Ultimate Carjunky / Moderator Oct 22, 2012, 9:13 AM Post #5 of 6 (3586 views) Re: Air leak in Clutch System Sign In Think you are right and would probably show some dampness if just pulled out some now. Never did get a lot of any of these as nobody in MA could drive a standard to save their life! Are you kidding - more than two pedals to chose from at random! If that wasn't true it would be funny T theorifice New User Oct 22, 2012, 9:24 AM Post #6 of 6 (3580 views) Re: Air leak in Clutch System Sign In There was definitely air released when bled. I've bled many hydraulic lines before and it bled like any other. I'll change out the master cylinder and hope for the best. At least it's not the slave! Thanks for the replies.   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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