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Old Nov 15, 2006 | 01:03 PM
  #1  
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Default Flush it??

Just had my 2000 C-5 with 37,000 miles serviced (not at dealer)
They recommended draining/flushing brake and clutch fluid.
Is this real or a gimmick for revenue flow for them???
thanks
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Old Nov 15, 2006 | 01:05 PM
  #2  
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Might be a good idea, if they ACTUALLY do it!
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Old Nov 15, 2006 | 01:08 PM
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If it's never been done, change them. You can drain the reservoirs yourself and just keep changing it often for a while or just pay and have them flushed. They use DOT 3 brake fluid which holds moisture. Just noticed yesterday the fluid in my '03 was looking pretty nasty.

Edit - The fluid should be clear or at least transparent in both.
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Old Nov 15, 2006 | 01:47 PM
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I'd be very careful who you have bleed the clutch. It's a major undertaking.
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Old Nov 15, 2006 | 02:14 PM
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Yes it's a good idea to have them done... just make sure htey know what they're doing.

I the stock configuration you must remove the mid-section of the exhasut to access the bleed port for the clutch.
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Old Nov 15, 2006 | 02:23 PM
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Originally Posted by bb609
If it's never been done, change them. You can drain the reservoirs yourself and just keep changing it often for a while or just pay and have them flushed. They use DOT 3 brake fluid which holds moisture. Just noticed yesterday the fluid in my '03 was looking pretty nasty.

Edit - The fluid should be clear or at least transparent in both.



There is a thread about sucking the clutch fluid out of the resevoir with a baster on a regular basis, thereby eventually replacing the fluid. While not perfect, not a bad idea either. Simple and cheap.
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Old Nov 15, 2006 | 03:29 PM
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Originally Posted by steve8
There is a thread about sucking the clutch fluid out of the resevoir with a baster on a regular basis, thereby eventually replacing the fluid. While not perfect, not a bad idea either. Simple and cheap.
Ear syringe works great too....no drips.
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Old Nov 15, 2006 | 06:08 PM
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Originally Posted by steve8
There is a thread about sucking the clutch fluid out of the resevoir with a baster on a regular basis, thereby eventually replacing the fluid. While not perfect, not a bad idea either. Simple and cheap.
that would still leave the fluid at the bottom unchanged. i don't think the fluid cycles up and down the system, so it'll always be "dirty" at the bottom. doing exhaust work? flush it!
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Originally Posted by bb609
If it's never been done, change them. You can drain the reservoirs yourself and just keep changing it often for a while or just pay and have them flushed. They use DOT 3 brake fluid which holds moisture. Just noticed yesterday the fluid in my '03 was looking pretty nasty.

Edit - The fluid should be clear or at least transparent in both.
FYI, DOT 3 and DOT 4 brake fluid are hydroscopic (absorbs water) while DOT 5 does not absorb water. Dot 5 is good for use on surge brakes on boat trailers.
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