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How should strut rods be installed??

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Old Feb 1, 2022 | 12:51 AM
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Default How should strut rods be installed??

I’m in the process of wrapping up the rear suspension refurb/replace project and found a note in the assembly manual that says before torquing the strut rods to the brackets, raise the the trailing arms to within 2”. I don’t understand what GM meant. 2” from what, the bump stop? Any one else have a clue?
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Old Feb 1, 2022 | 07:53 AM
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I believe they are referring to normal ride height.
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Old Feb 1, 2022 | 08:39 AM
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IMHO, if you are going to work on your car, get a GM shop manual for your year. You'll save yourself a lot of agony.
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Old Feb 1, 2022 | 10:34 AM
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In the 77 AIM UPC 4D Sheet 3, reference Z, "with rear suspension at a "D" height of 2.21" (See "Trim Heights" sheet in UPC 0)
Trim height sheet is found on sheet A1.
These UPC and sheet numbers may be different in the 79 AIM but they I'm sure are there.
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Old Feb 1, 2022 | 11:01 AM
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Originally Posted by bmotojoe
In the 77 AIM UPC 4D Sheet 3, reference Z, "with rear suspension at a "D" height of 2.21" (See "Trim Heights" sheet in UPC 0)
Trim height sheet is found on sheet A1.
These UPC and sheet numbers may be different in the 79 AIM but they I'm sure are there.
I see the 2.21" but can't determine from what two points the 2.21" are measured from. I suspect that's close to the normal right height, which would make sense.
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Old Feb 1, 2022 | 11:18 AM
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Originally Posted by 7T9Shark
I see the 2.21" but can't determine from what two points the 2.21" are measured from. I suspect that's close to the normal right height, which would make sense.
From the C/L of the the camber (Upper) bolt to the C/L of the lower spindle arm (shock mount) that is dimension "D" + or - .25
Lift rear of car by hand gently 1.5" and release, do this 3 times for both L & R sides.


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Old Feb 1, 2022 | 12:34 PM
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Originally Posted by bmotojoe
From the C/L of the the camber (Upper) bolt to the C/L of the lower spindle arm (shock mount) that is dimension "D" + or - .25
Lift rear of car by hand gently 1.5" and release, do this 3 times for both L & R sides.
That's precisely what I was looking for. Thanks!!
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