Vehicle & Technical > Range Rover

Air springs getting hard??

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Jonny Boaterboy:
I have just put a southdown detachable tow hitch and tank guard on my Range Rover and ever since have found that the suspension seems to have gone hard..... By this I mean every time I go over a bump or pot hole it does'nt absobe the shocks but sort of crashes over them transmiting loads of vibration to the vehicle and dash. It may be completely unrelated to fitting the tow hitch. It's kind of similar to when you are in high on the Air suspension and things get a little less comfortable due to the increase pressure in the springs. Can the rubber in the air springs cause this due to them getting old and less supple?

What do you think?

Thanks all

Jonny

Range Rover Blues:
Probably got something to do witht he extra 36kg of metal you just bolted right out the back of the car Johhny, the Southdown is a heavy bit of kit so the pressure in the air springs will be higher to keep the ride height the same.  Either that or something you have done has bypassed the insulating rubbers on the body mounts.

As an aside you should not be getting a harder ride in high profile unless the ride height has been lifted and the shocks are reaching the end of their travel, if anything it should get softer in high.

Jonny Boaterboy:
Right on all accounts RRB, I have lifted the ride hight on high by quite a bit so I expected the ride to be alot harder and have less articulation. And I see where you are coming from with the extra weight of the guard but I didn't experience this feeling when heavily loaded up with camping and holiday gear?

which body mounts could have been affected?

Could the shocks be causing the problems? getting old stiffing up a bit?

thanks for the advice....

Jonny

 

Bowie:
Are you sure the shocks aren't bottoming out?

Jonny Boaterboy:
I dont think they are as it happens over relatively small bumps?

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