How often should springs be changed?
12-09-2004, 05:49 AM
#1
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How often should springs be changed?
I have the H&R Sports springs and the Bistein Shocks (grooved). Been on for what will be 2 years next spring. I've heard that some springs begin to sag after about 3 years of use...any suggestions?
12-09-2004, 06:02 AM
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well, springs usually do pretty well. i wouldn't change them unless
there is a noticeable sag or some kind or noticeable difference in compression (ie too soft etc). Also, IMO if you are feeling its a bit floatier then before its likely that the shocks are wearing out rathar then springs losing any spring rate (should be relativel fixed) or anythint like that.
H&R springs are warrantied lifetime against sag though i hear you need to "prove" it to them(if it is sagging) to get any kind of help.
H&R springs are warrantied lifetime against sag though i hear you need to "prove" it to them(if it is sagging) to get any kind of help.
12-09-2004, 06:32 AM
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Don't say never...
that's a long time...
Springs will "sag" over time. Over time, I mean 50 years. I have a 33 year old Alfa Romeo and it's a known fact in the 'historic' car world that the rear springs "go bad" after a while.
The H&R springs should last a long, long time.
Springs will "sag" over time. Over time, I mean 50 years. I have a 33 year old Alfa Romeo and it's a known fact in the 'historic' car world that the rear springs "go bad" after a while.
The H&R springs should last a long, long time.
12-09-2004, 07:02 AM
#6
Somebody needs to call GM and tell them about the rear springs on their large cars...IMO those
springs were WAY underdesigned for the loads they were going to see. Ever see one of those things; they have about 2mm of ground clearance in the rear (bumper just about draggin' on the ground) and it is every stinkin' one of them. I'm always amazed whenever I see one (I work in an urban area, so they are a lot more common than one would normally expect...). Not Audi related, but I couldn't help but think of that after seeing your post. =)
12-09-2004, 07:13 AM
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Re: Only if they used inferior metals or didn't harden them properly. Otherwise, forever. :-ppp
Yes, you're right and that's the point. What is the correct material property and hardness to ensure that a coil spring never "sags"?
I can't think of a design or technical specification that ensures it.
I can't think of a design or technical specification that ensures it.
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12-09-2004, 07:39 AM
#9
Oh, OK. I had one of those air suspensions in my old Lincoln Mk VIII.
You darn tootin' they're expensive to fix! I will NEVER get an air suspension system ever again. It's not a question of if they will fail; its when will they fail and will you get stranded somewhere.
12-09-2004, 07:55 AM
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yup, cool as they were, the sucked...as you can see with all those GM cars
they all fail eventually (i cringe to think what allroad people will do if theirs fail as Audi = even more $$$)...luckiy for the GM folk they aren't stranded, just dumped in the back with ****ty ride. aftermarket companies do sell traditional spring/strut suspensions to replace the air suspensions though (which i did't know til i googled just now)...