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2001 V-10, 72k Considering buying. The brake pedal seems to have more travel than I'm used to seeing. It does not have definite "bite point" though they do stop the rig. Is this normal?
I have a V-10 2003 X with 130,000 there is alot of travel and brakes are one of the problems with the X. It is very recomended to upgrade the brakes if you do any towing. If you don't you will need to have your rotors turn periodicly. Plus it is alot of truck to stop roughly 8000lbs.
Time & cold temperatures take more of a toll on hydraulic brake components than miles do. I'd have your master cylinder inspected right away, and if it's OK, look at the other parts ... proportioning valve, ABS, and slave cylinders (calipers). If it's a slow leak, you may not be able to see any evidence at the calipers due to the heat causing the fluid to evaporate. Also check your flex-lines. If they're delaminating, you could lose brakes without notice.
This is NOT a "let's wait & see" problem ... it needs immediate attention. I certainly don't want your X crashing into me, especially if I'm on my motorcycle when you're coming up behind me at a traffic light.
I just had my rotors turned for the first time on my 05. When I got it back from the dealer the brake pedal was higher and grabbed a lot faster. My Ex had 14k on it and it needed the rotors turned. I has never towed anything. This is my 2nd Ex and the other one had the same problem. The brakes on the Ex are a LOT better then GM brakes as far as I'm concerned.