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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Coil spring isolator

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Old May 8, 2020 | 10:25 AM
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Coil spring isolator

Could a cracked isolator be the cause of my truck sagging on one side? I can see it is cracked but was wondering if there may be something below it that broke.
 
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Old May 8, 2020 | 10:42 AM
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Might help to post some info about your truck. It may cause a little sag, sure, but the isolator is also fairly thin, so if it is a significant sag, probably not the isolator.

If it helps Moog K6203-2 fit perfectly on my 1983 F-100 XLT 2WD LWB. Won't come up at the parts stores, but if you give them that number, they can look it up that way. Advance Auto had to order mine, but they had it in the next day.
 
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Old May 8, 2020 | 10:46 AM
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It's a 1982 single cab 4x4. I just put brand new shocks on it and it didn't help. Is there a plate that sits underneath? I will try and get some photos posted.
 
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Old May 8, 2020 | 10:49 AM
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Old May 8, 2020 | 11:04 AM
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Shocks shouldn't affect ride height. Not sure why everyone starts there unless they're really bad. A brand new, quality shock still can't support the weight of the vehicle. Springs may be sagging. They can "wear" from weight over the years. Start with measuring your springs installed with the vehicle in it's normal position on level ground.

I don't think your truck would've come with progressive springs, but I am not sure. If those aren't progressive, the coils at the top look pretty close to one another...

Start with measuring.
 
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Old May 8, 2020 | 11:52 AM
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Well the shocks were pretty much blown with oil leaking from them, that's why I started there. I also thought the springs looked a little strange.
 
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Old May 8, 2020 | 12:14 PM
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Gotcha. If they needed changing anyway, it makes sense to do them. You wouldn't believe how many people came in to the auto parts stores I worked at asking for shocks to fix the sag.

 
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Old May 8, 2020 | 05:00 PM
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Does anyone else with a 4x4 have coil springs that look like this or are they in need of replacing?
 
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Originally Posted by baker_3
Could a cracked isolator be the cause of my truck sagging on one side? I can see it is cracked but was wondering if there may be something below it that broke.
How long has it been sagging on one side?

Has anybody had the suspension components apart?
 
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Old May 9, 2020 | 08:59 AM
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I honestly couldn't tell you how long it's been like this. The truck was given to me. As far as I know, the suspension has never been apart.
 
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