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Old 09-20-2013, 10:36 AM   #1
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what is the bolt size for the front upper and lower control arm

I getting ready to change my front axle assembly but the control arm bolt is stuck i tryed everything to try to get it out. so i have no choice but cut it. Do anyone know the size bolt i need for the upper and lower control arm

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Old 09-20-2013, 10:49 AM   #2
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Heat it! Worked for me this weekend.

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Old 09-20-2013, 11:17 AM   #3
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The upper CA bolt IIRC is a M10x75 and for the the lower CA, you can use a 9/16" bolt.
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Old 09-20-2013, 11:21 AM   #4
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I had issues when I tried removing the lower CA factory bolt on the axle side. What ultimately worked for me, was to press it out using my trusty HF u-joint press.
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Old 09-20-2013, 03:08 PM   #5
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The upper CA bolt IIRC is a M10x75 and for the the lower CA, you can use a 9/16" bolt.
Where can i find these bolts can i go to home depot and get them. Or i have to find them in a auto part store
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Old 09-20-2013, 03:29 PM   #6
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Ace Hardware is where I get all my bolts.
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Old 09-20-2013, 03:39 PM   #7
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Ace Hardware is where I get all my bolts.
Oh i dont think i have that store where i live you think home depot a good place to get it. Or is lows better
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Old 09-20-2013, 03:41 PM   #8
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Home Depot has a terrible selection of bolts. Lowes would be better, also see if you have a Fastenal near you.
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Old 09-20-2013, 03:44 PM   #9
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Davey's jeep parts has lower control bolts in their inventory. Go online and check- out. On the cheap, i think $5 for a pair of OEM bolts and nuts. I would get the OEM grade 8 bolts before purchasing from local hardware store
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Old 09-20-2013, 03:52 PM   #10
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Davey's jeep parts has lower control bolts in their inventory. Go online and check- out. On the cheap, i think $5 for a pair of OEM bolts and nuts. I would get the OEM grade 8 bolts before purchasing from local hardware store
OEM bolts are metric 10.9. There's no difference between metric 10.9/SAE grade 8 from the hardware store or the factory. The difference is factory uses flanged nuts and bolts. Flanged are technically better, but lots of people (including me) replace the factory stuff with regular hardware store nuts/bolts/washers and have no issues.

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