I just got back from testing my mirrors and I heard the weirdest noise from the back. Crawled home..... One stud had snapped off on the left rear, and two on the right rear.
I just got pulled a 7K lb trailer 100 miles. The back wheels are American Racing AL, new, and the nuts were torqued to 140lbs.
I had adjusted up the back brakes previously when I put new brakes Need a bit more info. What vehicle, what year? Lugs for 97-99 F150 should be torqued to 100 ft lbs. 00 up including the new models should be torqued to 150. F250 are I believe 150-165 ft lbs. ____________________________________________________
Problem could be nuts or studs. Nuts may need more surface to avoid compressing aluminum. Studs may be 100-pounders. Ford had a lug nut recall in 1998. Details are below. HTH.
Rodan.
============================================== NHTSA Campaign ID Number: 98V095000
1998 FORD F250 WHEELS:LUGS/NUTS/BOLTS Recall Date: 05/13/1998 Potential Units Affected: 1520000
Summary: MULTI-PURPOSE VEHICLES AND LIGHT DUTY PICKUP TRUCKS. LUG NUTS ON THESE VEHICLES MAY NOT CREATE SUFFICIENT CLAMP LOAD, ALLOWING WHEEL MOVEMENT IN RELATION TO THE HUB/ROTOR MOUNTING SURFACE.
Consequence: THIS CAN RESULT IN LOOSENING OF LUG NUTS, STUD FATIGUE FAILURE, AND THE POTENTIAL FOR A WHEEL SEPARATION FROM THE VEHICLE, INCREASING THE RISK OF A VEHICLE CRASH.
Remedy: THE FIRST NOTIFICATION, BEGINNING MAY 1998, PROVIDES AN INTERIM REPAIR PROCEDURE. OWNERS OR THEIR DEALERS ARE TO VERIFY THAT LUG NUT TORQUE IS 100 LBS. THEN THE LUG NUTS MUST BE TIGHTENED AN ADDITIONAL 1/8 TO 1/4 TURN MORE.
THE SECOND NOTIFICATION IS EXPECTED TO BEGIN JULY 1998, WHEN PARTS BECOME AVAILABLE. DEALERS WILL INSPECT THE WHEEL STUDS AND REPLACE THE WHEEL LUG NUTS. ______________________________________________________