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What is this bolt called, and how do I replace it?
Went in for inspection today, and they found this bolt to be loose. Its on the drivers side. They called it a control arm bolt? It is visibly smaller than the one on the passenger side. Perhaps someone replaced the drivers side bolt with the incorrect one, and thats why its loose? Either way I need to identify it and replace it to pass inspection.
So once you kind folks help me identify it....how hard is it to replace? If I take the existing bolt out...will things inside fall part? Thanks, Marty
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Marty Watts - Concord, NH 1979 300D NA - Maple Yellow - Palomino MB Tex |
#2
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First, check the condition of the control arm bushings. A loose bolt usually just needs to be tightened, not replaced.
You can replace the bolt when you replace the UCA bushings. It's a lot easier labor wise to just replace the entire contorol arm as new bushings are already pressed it. You will need to replace the sway bar end bushings as well.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
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All of that was checked during the inspection, and got the ok. This bolt is loose, because it looks like its the wrong size. It is smaller than its counterpart over on the passenger side. If all I wanted to do was replace this bolt, what type and size of bolt is it? I went to a parts store, but the said that it could be a shouldered bolt, or eccentric?? Is this not just a standard straight bolt?
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Marty Watts - Concord, NH 1979 300D NA - Maple Yellow - Palomino MB Tex |
#4
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Quote:
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) |
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If it's grade 8, it's SAE, not metric.
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Not to beat a dead horse here, but this is as simple as removing and replacing? I can do this while the wheel is under load and not up on jacks?
I am waiting to hear back from Roy, and will be ordering this from Phil once I figure out what its called. Thanks for ALL the replies ! -Marty Watts
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Marty Watts - Concord, NH 1979 300D NA - Maple Yellow - Palomino MB Tex |
#8
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Quote:
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) |
#9
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if the car is resting on it's tires, the bolt will be under load, and you will not be able to remove it easily.
with the car on stands, and the tire off, it's a simple bolt change. I'd pop the upper ball joint off, and have the control arm easier to wiggle to get the bolt changed. it's possible that the wrong bolt has damaged other components, I'd pull the UCA and visibly inspect it, and mic the hole, and verify it's concentric...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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Bear with my newbie-ness..."mic the hole"...? Concentric? huh? Once up on jacks with the tire removed, how do I take the UCA off?
Also, do you know what size bolt SHOULD be used here?
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Marty Watts - Concord, NH 1979 300D NA - Maple Yellow - Palomino MB Tex |
#11
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You may be able to find info using the search function.
That bolt on mine is a 12mm around, I can't measure the thread pitch, but it's roughly 94mm long. Click on buy parts at the top and look up the UCA for your car, you should be able to see a pic of it out of the car. Concentric means round vs. oblong. Mic means to measure the hole with a micrometer. There is a bushing up in there, inspect to see if it's deteriorated.
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