Air vs coil suspension
#1
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My Disco 2 is deflating frequently when parked for a while. The time it takes to deflate differs greatly. Sometimes it's down after a few min, sometimes it stays up for 2 days. I have also seen it lean sideways.
I intend to fix the suspension, wondering how. I read someone recommended a coil suspension over fixing the air suspension to make it more reliable.
I believe the air suspension is a nice feature when heavy load is on the back, i.e. lots of stuff in the truck or pulling a trailer. Also air suspension gives a few inches of extra clearence off road. That bit is not so important to me
Appreciate opinions. Thanks J.
I intend to fix the suspension, wondering how. I read someone recommended a coil suspension over fixing the air suspension to make it more reliable.
I believe the air suspension is a nice feature when heavy load is on the back, i.e. lots of stuff in the truck or pulling a trailer. Also air suspension gives a few inches of extra clearence off road. That bit is not so important to me
Appreciate opinions. Thanks J.
#3
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All you need is the lower spring perches, rubber isolators, and the springs.
The lower spring perches are just steel discs that bolt to the axle. You can get them from a parts car or buy them at your favorite Rover store, part # ANR3578, for about $15 each.
The rubber isolators are rubber rings that fit between the top of the spring and the upper perch that is on your frame. They are part # ANR2938, also about $15 each at full price (there's cheaper options available)
After that, take your pick of stock replacement springs or any of the various aftermarket springs. I think most people buying springs would opt for some aftermarket ones like the Old Man EMU springs that give a small lift for larger tires. Besides OME, there's TerraFirma, Rovertym, etc. Just pick a spring rate that makes sense for your weight. If you want something that's soft when unloaded but stiffer when loaded, you could go progressive rate. Air springs are probably pretty progressive, but a higher rate linear coil spring is probably better even so. It makes sense to replace all four at the same time.
A-B sells the complete conversion kit for $269, but if you want to choose your own springs it could cost a little more depending on what springs you choose and if you replace the front as well. If your shocks are worn out or have more than 30,000 miles on them, I'd replace them too.
The lower spring perches are just steel discs that bolt to the axle. You can get them from a parts car or buy them at your favorite Rover store, part # ANR3578, for about $15 each.
The rubber isolators are rubber rings that fit between the top of the spring and the upper perch that is on your frame. They are part # ANR2938, also about $15 each at full price (there's cheaper options available)
After that, take your pick of stock replacement springs or any of the various aftermarket springs. I think most people buying springs would opt for some aftermarket ones like the Old Man EMU springs that give a small lift for larger tires. Besides OME, there's TerraFirma, Rovertym, etc. Just pick a spring rate that makes sense for your weight. If you want something that's soft when unloaded but stiffer when loaded, you could go progressive rate. Air springs are probably pretty progressive, but a higher rate linear coil spring is probably better even so. It makes sense to replace all four at the same time.
A-B sells the complete conversion kit for $269, but if you want to choose your own springs it could cost a little more depending on what springs you choose and if you replace the front as well. If your shocks are worn out or have more than 30,000 miles on them, I'd replace them too.
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