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Need Help...Front Brakes...
Im on in the garage right now doing my front brakes and I realized that the bolts that hold the calipers in place are larger than the rears 18mm vs 21mm. I know the rear caliper bolts are tourqued to 55ft lbs, but what about the front??
According to the tourque chart on project JK it says "Front Caliper Adapter, 120ft lbs" Is this the right bolt?? The upper and lower that hold the caliper on?? Thanks.. http://project-jk.com/jeep-jk-write-...ettings#brakes |
No that 120 is for the bolts that hold the caliper mounting bracket to the knuckle.
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Im talking about the two bolts that allow you to remove the caliper from the wheel...On the front they are 21mm...
Does anyone know what they are called on the tourque chart here? http://project-jk.com/jeep-jk-write-...ettings#brakes |
You have a brake caliper that presses the pad together to put pressure on the rotor. Then you have a caliper mounting bracket that the caliper mounts onto. The caliper mounting bracket has two bolts that hold it onto the knuckle. Which of these two are you dealing with?
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Originally Posted by genesbro
(Post 1905189)
You have a brake caliper that presses the pad together to put pressure on the rotor. Then you have a caliper mounting bracket that the caliper mounts onto. The caliper mounting bracket has two bolts that hold it onto the knuckle. Which of these two are you dealing with?
Its the two bolts that are removed in step 15 of this write up, just on the front rather than the rear...http://project-jk.com/jeep-jk-write-...ad-replacement |
Ok looking at that step you should have had just the caliper out of the caliper bracket. That means that the two bolts you took out went through a couple of rubber boots that let the caliper slide for when the pads wear.
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Originally Posted by genesbro
(Post 1905224)
Ok looking at that step you should have had just the caliper out of the caliper bracket. That means that the two bolts you took out went through a couple of rubber boots that let the caliper slide for when the pads wear. Those bolts would be at 60 ft.lbs. at the most and would probably be ok at 55 like the rears.
Those bolts are 120 ft lb Also, the bolts you are talking about are referred to as the caliper slide pin bolts (the 2 bolts above and below #2 in the picture below) and are only 23 ft lbs... Here are the instructions 1. Install the caliper adapter mounting bolts (1). Tighten the mounting bolts to 163 N·m (120 ft.lbs). 2. Install the inboard (2) and outboard pads (3). (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/BRAKE PADS/SHOES - INSTALLATION). 3. Install the caliper (4) to the adapter (3) (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/DISC BRAKE CALIPERS - INSTALLATION). 4. Install the tire and wheel assembly. (Refer to 22 - TIRES/WHEELS/WHEELS - STANDARD PROCEDURE). http://lh4.ggpht.com/_wPQLbvyDy9E/TM...brakes.gif.jpg |
Thread lock
I hope you put a little thread lock on the bolt first, one of the ones on my rear caliper fell out last weekend while out of town.:blush:
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Originally Posted by kittisman
(Post 1905546)
I hope you put a little thread lock on the bolt first, one of the ones on my rear caliper fell out last weekend while out of town.:blush:
I assume you had them tourqued to 55 ft lbs? I should go back in and add locktite...:crazyeyes: |
Originally Posted by Scooter Scott
(Post 1929123)
Just tighten it till you feel comfortable. I have personally never used a torque wrench except on my wheels.
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