Because they've gone soft and saggy.
how do you replace the rear springs on a renault espace
The car will drive fine but the rear brake shoes may drag on the drum. This will quickly wear out the rear brake shoes, hurt you fuel mileage, and cause a loss of power. Replace the springs.
There is no set time or mileage when to replace automotive springs. It would be when springs are fatigued, cracked or broken. At that point the springs should be replaced in pairs.
== == This sounds like either one or both of the rear springs are BROKEN. or the rear shock absorbers are also broken. Put the car up on a hoist and LOOK at the rear suspension, for broken springs and /or shocks.
If you replace the manual leveling shocks on the rear with regular shocks you also have to replace the rear coil springs with stiffer ones. Use gm part #15182559 or bilstein part #199021 to replace the coil springs. The coil springs that come with the manual leveling shocks are not stiff enough to use with regular shocks, causing the rear end to droop.
To replace the air springs on an 89 LSC, you will need to access the suspension components located in the rear of the vehicle. Start by supporting the vehicle securely with jack stands and removing the rear wheels. Then, detach the air lines and electrical connections from the air springs. Finally, remove the bolts securing the air springs to the suspension and replace them with the new air springs, making sure to reconnect the air lines and electrical connections.
A cracked spring can suddenly break causing an accident. Replace the cracked springs, ASAP.
Replace universal joint on rear of driveshaft
ck releif valve located on air springs in rear of car.
The springs in the rear support the weight of the car, and give it a smooth ride along with the shocks.
back shoes a lot of work,,many springs,
Do a web search for strutmasters. They sell kit to remove rear air bags. I assume you need rear springs. They may sell front springs. I did rears and bought shocks. Only complaint car sit a little high in rear. Cost me $350 to have someone to install. Cheaper than air bags. Fran