I have a 1995 Mazda 626 4cyl and I was removing the lower control arm and the bolt broke off inside the lower body of the car. A lot of the bolt is sticking out of the car but I just can not turn it with vice grips or anything like that What else can I do to get it out. This is th eonly problem I am having and it is stoping me from putting the car back together Please help. I am about to take a bat to it and just say forget it. I am REALLY getting frustrated with it I have not been able to get it out it has been sitting on a jackc stand for the past two weeks due to that stinking bolt. There is no head on the botl but you can get something on it but everything that we have tried seems to shave the metal off and make the tip smaller
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According to Autozone.com, you must replace the whole control arm. Here is their procedure: NOTE
do not begin the removal procedure unless a new strut-to-lower arm nut, a new ball joint pinch bolt/nut and a new lower arm-to-front subframe bolt/nut are available.
Remove or disconnect the following:
Do not use a hammer to separate the ball joint from the front wheel hub and spindle.
WheelsLower arm strut nut and dished washer. Discard them.
Place the steering wheel in the unlocked position.
Do not allow the halfshaft to move outward. Over-extension of the halfshaft joint could result in separation of internal parts, causing failure of the halfshaft joint.
Remove or disconnect the following:
Use extreme care to not damage the ball joint boot seal.
Lower arm ball joint nut and pinch bolt. Discard them.Lower arm from the front wheel knuckle
Remove and discard the lower arm-to-front subframe bolt and nutRemove the lower arm from the vehicleTo install:
Install or connect the following:
Lower arm strut into the lower arm rear strut bushingLower arm into the front sub-frame bracketNew lower arm-to-front subframe nut and bolt. While holding the lower arm horizontal, tighten to 85-97 ft. lbs. (115-132 Nm).Ball joint stud-to-wheel hub and spindle, making sure that the ball stud groove is properly positioned.New lower arm ball joint pinch bolt and nut. Tighten to 46-52 ft. lbs. 62-71 Nm).
Clean the lower arm strut threads to remove dirt and contamination.
Install the dished washer with the dished side away from the lower arm rear strut bushing.
Install the front suspension lower arm strut-to-strut nut and tighten to 85-97 ft. lbs. (115-142 Nm).
No! Do not disassemble the strut while it is mounted! You could seriously hurt your self!
Loosen the large nut on the tower first (do not remove), then remove the bottom bolt of the strut from the lower control arm. After it is separated then remove the three nuts holding the strut to the tower of the car and remove. Use the strut spring compressor after it is out of the car to rebuild it.
Lift Vehicle and place on axle stands. Remove wheels. Disconnect the lower control arm from the bolts that hold the ball joint, or from the knuckle. Undo the rear two bolts that hold the ''D'' shaped rear bush and the bolt that holds the forward bush. Have it pressed out and replace with new one. Reverse the procedure for installation. While the arm is out check the condition of the ball joints and replace if needed. After assembly have the front wheel alignment checked.
to replace control arm, you need place jackstands under the frame and lower vechicle so the weight of the vechicle rests on the jackstands and not on the control arms, then remove the front wheel remove ball joint and nut, remove steering knuckle from the lower ball joint using tool KM 507 B. remove control arm to crossmember nut and bolt, remove rear crossmember to body bolt and remove control arm.torque control arm to crossmember nut and bolt 81 ft lbs, torque ball joint to steering knuckle bolt nut 44 ft lbs.torque crossmember to body bolt to 145 ft lbs.
Typically these are replaced with a complete lower control arm. What happens is the ball joint is reseeding the lower control arm and rusts. When the old ones pressed out it distorts the opening in the lower control arm. When the new one is pressed in they never fit tight.
Anew lower control arm is very easy to replace.
1. Jack up the vehicle on the sub frame or pinch weld.
2. Remove the pinch bolt that holds the ball joint to the knuckle.
3. Separate the ball joint from the knuckle.
4. Remove the two bolts that secure the horizontal bushing to the sub frame.
5. Remove the single bolt that secures the vertical bushing from the subframe.
6. Remove the lower control arm.
If you have any questions I'll be happy to answer them.
SAFELY RAISE SUPPORT FRONT OF VECHICLE ON JACK STAND MAKE SURE VECHICLE PARKED ON SOLID LEVEL GROUND. REMOVE WHEEL OR TIRE. REMOVE BALL JOINT STUD PINCH BOLT AND NUT FROM THE STEERING KNUCKLE.REMOVE BALL JOINT BY PRYING IT FROM THE KNUCKLE.REMOVE BALL JOINT TO LOWER CONTROL ARM BOLT AND NUT. INSTALL NEW BALL JOINT TO LOWER CONTROL ARM.TORQUE THE BOLT TO 86 FT LBS INSTALL BALL JOINT TO THE STEERING KNUCKLE TORQUE BOLT TO 43 FT LBS YOU MORE LIKELY NEED FRONT END REALIGNMENT AFTER THE JOB DONE.
i have same problem the rear bolt holding the lower o/s control arm is spinning :( The bolt is inside the subframe which was supposed to be held ( welded i suppose ). Any suggestions or help on this would be appreciated :)
Jack the car up and remove the tire. Use a ball joint separator on the front lower control arm and remove the remaining 2 bolts, if working on the rear lower control arm, remove the 2 bolts holding the arm in place and install the new control arm.
An alignment is recommended when changing any part of the suspension, especially control arms, tie rod ends, etc.
1-remove wheel2-remove axle center bolt.3-undo bolt of sway bar link on lower control arm.4-undo bolt of lower ball joint and separate lower control arm from steering knuckle,move knuckle aside while slipping cv axle out of knuckle.5-use pry bar to pop inner cv out of tranny.