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Old 03-29-2012, 09:18 PM   #1
smallblockfever
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Air in clutch line?

Howdy
So last couple of days I've been noticing my clutch not fully engaging and re engaging and such
Basically it just feels loose at times
I've done some experimentation all week as I've been driving and I've come to the conclusions of:
- I'm low on fluid
- I have air in my lines (no cause for such a thing..)
- clutch linkage is loose

I'm leaning more towards the second option because I can drive fine with a full clutch travel by double clutching when I shift
So it seems that pumping it (building up more pressure to compress those air bubbles) works fine
In addition, keepin the clutch all the way in makes it lose pressure drastically

I did a quick scan under the hood to find the master cylinder and such but honestly I have zero experience with clutch work
I know most of the theory behind it, but I need a hand with what to do

Where can I find where to add fluid? And what's the best method for bleeding the lines?


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Old 03-29-2012, 09:22 PM   #2
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best for bleeding the lines, get a loonnnnnng extension with a 3/8 ratchet with an 11mm socket. theres a little nub where the master cylinder line comes off of on the top of the transmission. loosen it. then go to a harbeour freight tool store buy a cheap little 8 dollar vaccum bleeder kit, hook the vac line to the nub you just loosened and the other end into a container. then vac line from container to the pump, squeeze the trigger until fluid is ALMOST EMPTY. if you go till all the way empty youll just get more air into it again. fill her back up. there ya go clutch is bled. OH and then tighten the nub back up
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Old 03-30-2012, 06:11 AM   #3
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So the master cylinder is on the transmission? Ima have to jack it up?
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Old 03-30-2012, 06:15 AM   #4
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Quote:
Originally Posted by smallblockfever View Post
So the master cylinder is on the transmission? Ima have to jack it up?
The master cylinder is still on the firewall. The brake and clutch use the same MC. The bleed valve is what he's talking about.

Once you open the hood, look straight down on top of the transmission housing and it's right there with a black rubber nipple covering it.
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Old 03-30-2012, 01:13 PM   #5
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So the MC is accessible from the top of the engine?
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Old 03-30-2012, 02:11 PM   #6
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Quote:
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So the MC is accessible from the top of the engine?
The clutch and brake reservoir are on the firewall (your owners manual will show you where), they share fluid and the clutch will run out of fluid before the brakes. The actual clutch master cylinder is in the car connected to the pedal box with the slave cylinder in the transmission. The bleeder is on top of the transmission as stated. The clutch master is known to fail overtime and leak fluid in the car.

Do you have any fluid on your floor board?

So how do the brakes feel? Do you see any leaks or have to pump the brakes to make them work better?

The slave could be failing, is there fluid under the car when you park?

Air just doesn't get into a line without an issue that needs addressed. In some cases I've seen fresh fluid bring a system back to functioning again if no issues are found (aka leaks).
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Old 03-30-2012, 03:13 PM   #7
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The brakes are fine
No fluid that I know of on the floor boards nor on the ground
I'll check and see this weekend for all possible problems
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Old 03-30-2012, 03:47 PM   #8
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I think my resevoir is almost fully dry
so ill add fluid to that

but this aforementioned black nipple
cannot seem to find it

would it be on the transmission housing between the battery and the engine?

if so, i dont think i have a cap on it anymore and its ust open to the world..
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Old 03-30-2012, 04:16 PM   #9
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Quote:
Originally Posted by smallblockfever View Post
I think my resevoir is almost fully dry
so ill add fluid to that

but this aforementioned black nipple
cannot seem to find it

would it be on the transmission housing between the battery and the engine?

if so, i dont think i have a cap on it anymore and its ust open to the world..
If you are missing fluid you have an issue somewhere. You are loosing fluid either in the brakes or the clutch system. The black cover just covers the bleeder valve and keeps dirt of of it. If it is missing it's not that big of a deal and should not be the cause of fluid lose unless it looks wet around it (i.e. somehow came loose). Just place a vacuum plug over it of the correct size to protect it. This is where you bleed the system, but that would only be a band aid and the real reason for the fluid loss needs addressed.
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Old 03-30-2012, 04:19 PM   #10
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whats throwing me for a loop is that the brakes work fine, and the clutch is what isnt operating fully
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