Take note of 4x4 & Diesel !! they are on the money. Time to replace the master an flexible lines. Brakes tend to fail when they are used hard. Like in an emergency, you dont need that risk. Its ok to replace the parts yourself, Unless you know what you are doing I would suggest not trying to rebuild your master. Dont use second hand brake parts from a junk yard. Only new or professionally rebuilt parts.

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Grumpy Old Diesel Owners Club group

I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving