FuzzyKnight
Santee, Ca
Full Member
Joined: 06/20/2005
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Problem is unbalanced wheels and tires. Been there done that !!
Fuzzy and Mary
2002 Allegro 31DA
1928 Model A
1953 Ford Club Coupe
1963 1/2 Falcon Ranchero Original factory V8 4 spd
1963 Fairlane SportsCoupe
1965 Honda SuperHawk
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topflite51
In The Desert of Nevada
Senior Member
Joined: 05/13/2004
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Step 1: Replace mechanic
Step 2: Have new mechanic inspect everything, including kitchen sink, if nothing is loose or broken
Step 3: He probably will recommend replacing rotors/or/machining them.
Step 4: If he doesn't, repeat Step 1.
 David
Just rolling along enjoying life
w/F53 Southwind towing 87 Samurai looking to golf or fish
Simply Despicable 
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427435
Rochester, Mn
Senior Member
Joined: 11/12/2005
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Two things will warp disk rotors. One is getting them too hot. The second is improperly torquing the lug nuts. The lug nuts should be torqued in a criss-cross manner and all torqued to 75% of torque before going on to 100% torque.
Mark
2000 Itasca Suncruiser 35U on a Ford chassis
2003 Ford Explorer toad with US Gear brakes,
ReadyBrute tow bar, and Demco base plate.
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fortytwo
Livingston, TX
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Joined: 02/19/2002
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Suspect it's the brake fluid getting hot instead of the rotors. My 2000 F53 has always done that on long grades. I always descend in the same, or lower gear than required to climb the grade. I only use the brakes to quickly slow 10mph and then let the tranny do the braking again. The shimmy in the front end never starts until about the 4th or 5th braking event. Turning the rotors, replacing the pads, and alignments have never changed it.
My suggestion is to change the fluid to the highest temp rating you can find. I replace my brake fluid every two years. Next time I change I will be looking for high temp fluid.
Wes
"A beach house isn't just real estate. It's a state of mind." Pole Sitter in Douglas Adams MOSTLY HARMLESS
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fortytwo
Livingston, TX
Senior Member
Joined: 02/19/2002
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Forgot to mention - shimmy happened before hydraulic steering dampener was installed, and also after. Couldn't tell the dampener did anything.
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