1991 Mercury Cougar Rear Brake Line Fix

MERCURY COUGAR
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THEJUDGE
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  • 1 POST
I have a 1991 Mercury cougar and the brake line goin to the back is rotted.Is it possible to cut out the rotten part and splice in a new piece using compression fittings or do I have to replace the entire line fron front to back?
Apr 16, 2007 at 6:45 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
Dopn't use a compression union. You can splice if you have a line flaring tool, Get a theadded fitting for both sides of the flare and get the brass coupler.
Apr 16, 2007 at 8:55 PM

Suggested Repair

Do not use a compression union. The rotted section can be spliced with a line flaring tool, a threaded fitting on each flared end, and a brass coupler.

Conversation Summary

The owner of a 1991 Mercury Cougar has a rotted rear brake line and asks whether the bad section can be cut out and joined with compression fittings or whether the entire line must be replaced. The expert advises against a compression union and says a splice is acceptable if both ends are flared, fitted with threaded fittings, and joined with a brass coupler.

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