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passenger side lower than drivers heater hose mod

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Old 03-04-2014, 07:22 PM
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Default passenger side lower than drivers heater hose mod

As stated my pass side sits lower. I did the heater hose mod and my rear pass sits about 1.5" above the tire right where I want it. The rear drivers side is about 2.5". Before the mod my drivers side Sat higher. The fronts are unaltered and the pass side is about 2.5" and drivers side is about 2.75" I planned on cutting the fronts about 3/4 of a coil to give me about an inch drop, but I can't figure out the rears? I'm considering cutting 1/2 to 3/4 of a coil and putting the isolators back in.

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On an unrelated note, do you think these are torque creases? The pass side has a similar one or is that just a dent? I bought the car all it has is a flowmaster i recently put a lid on but haven't driven it.
Old 03-05-2014, 10:05 AM
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No one? Any advice?
Old 03-05-2014, 10:35 AM
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Sounds like the right side spring is the culprit since it was sitting lower before the mod and now after. Since the rear springs are so easy to replace, I would swap the right to the left, and left to the right and see if the left side now sags.
Old 03-05-2014, 11:39 AM
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Originally Posted by TA_Freak
Sounds like the right side spring is the culprit since it was sitting lower before the mod and now after. Since the rear springs are so easy to replace, I would swap the right to the left, and left to the right and see if the left side now sags.
if it is the spring do you think I could cut 1/4 coil off the taller spring to compensate?
Old 03-06-2014, 09:11 AM
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I wouldn't ... I imagine the balance and spring rates would be different at that point.
Old 03-06-2014, 02:14 PM
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I dont race or track, its just a DD I'm just trying to make it level. Maybe I should check the end links.
Old 03-06-2014, 04:24 PM
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Did you install both rear springs with the end of the pigtails(axle tube end) pointed in the same direction?
Old 03-10-2014, 01:34 PM
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I had this issue too the passenger side was sitting almost an inch lower in the back than the driver side. ive had the car for 5 years now. it was like that when i got it but not as bad as it was now so i switched them and put the passenger side one on the driver side and vice versa and it leveled out the car.

passenger side eventually sits lower over time because of the panhard bar and how it moves in an arc so when you are driving in a turn it must put more pressure on the passenger spring the the driver spring.
Old 03-10-2014, 03:24 PM
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Originally Posted by 99Bluz28
Did you install both rear springs with the end of the pigtails(axle tube end) pointed in the same direction?
Yes they're both facing outwards to the rear
Old 03-10-2014, 03:43 PM
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This is a common issue on these cars. It is not a spring or control arm issue. No one seems to have been able to pinpoint the exact cause of it actually. I have seen people with stock and aftermarket springs, control arms, shocks etc have the same problem. To compensate, I have seen some heater hose mod only the driver's side and leave the isolator in the passenger side. Or, if you run a longer length of heater hose on the passenger spring so that it covers more of the end coils and doesn't allow them to compress completely together, and do the HH mod like normal on the driver's side it will level it out as well.
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Old 03-10-2014, 08:56 PM
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Originally Posted by BMR Tech2
This is a common issue on these cars. It is not a spring or control arm issue. No one seems to have been able to pinpoint the exact cause of it actually. I have seen people with stock and aftermarket springs, control arms, shocks etc have the same problem. To compensate, I have seen some heater hose mod only the driver's side and leave the isolator in the passenger side. Or, if you run a longer length of heater hose on the passenger spring so that it covers more of the end coils and doesn't allow them to compress completely together, and do the HH mod like normal on the driver's side it will level it out as well.
Thanks Im re doing the hh mod anyways ill try that!
Old 03-11-2014, 11:23 AM
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before doing any mods you should first try switching the springs. i tried it. it worked. car sits level now.
Old 03-11-2014, 02:45 PM
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Originally Posted by countryguy1717
Yes they're both facing outwards to the rear
You can also try rotating one of the springs 180*(pigtail end towards front), if swaping the springs(side to side) doesn't work.
Old 03-11-2014, 02:51 PM
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Originally Posted by Siciliano15
before doing any mods you should first try switching the springs. i tried it. it worked. car sits level now.
did you swap front struts and springs too? I'm swapping them so the T50 torx bolt is not under the brake cylinder.
Old 03-11-2014, 02:59 PM
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I'd just swap the rear springs not the fronts.
Old 03-12-2014, 01:52 PM
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nope just the back. plus u cant switch the fronts because they are side specific unless you take them apart from the mounts and put them back together but then u need a spring compressor so i wouldnt waste your time doing all that.
Old 03-12-2014, 02:36 PM
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Originally Posted by 99Bluz28
I'd just swap the rear springs not the fronts.
Originally Posted by Siciliano15
nope just the back. plus u cant switch the fronts because they are side specific unless you take them apart from the mounts and put them back together but then u need a spring compressor so i wouldnt waste your time doing all that.
Well I already have the front springs taken apart, I figured i'd swap them so the torx bolt under the brake cylinder is on the other side because I had to remove the cylinder to get the torx bolts. thought it'd be easier this way.

Any issue I might have doing that?
Old 03-12-2014, 04:49 PM
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No problem swapping that one Torx bolt to the passenger side, I did it myself.
Old 03-12-2014, 08:04 PM
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There is the G-body shuffle and the A-body buggy and we have the F-body lean
Old 03-13-2014, 01:40 AM
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I believe the GM manual says it is important for the rear spring pig tails to be pointing forward.


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