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Car Forum / Volvo Cars / June 2004Self levelling shocks 740
I apologise for a similar posting for the shocks. My shocks are quite thick with a rubber gator on the bottom, are these self levelling. Is it possible to pump the shocks up if so how The Nivomat self levelling shocks you speak of are pumped up from under the hood. If the shocks are sagging, you'll need to replace them, not two ways about it. They are expensive. It's actually cheaper to buy regular shocks and new springs than to replace the Nivomats. I did that on mine, and it's great. good luck RS > I apologise for a similar posting for the shocks. > My shocks are quite thick with a rubber gator on the bottom, are > these self levelling. > > Is it possible to pump the shocks up if so how They would appear to be self-levelling shock absorbers (Nivomats). It is not possible to pump these up. If they have lost their effectiveness then replacement is the only real answer. Be prepared to pay a largish amount, especially as they should be replaced in pairs. Cheers, Peter. : I apologise for a similar posting for the shocks. : My shocks are quite thick with a rubber gator on the bottom, are these self : levelling. : : Is it possible to pump the shocks up if so how > I apologise for a similar posting for the shocks. > My shocks are quite thick with a rubber gator on the bottom, are these self > levelling. > > Is it possible to pump the shocks up if so how The shocks are "pumped up" using the motion of the suspension. So even with good Nivomats, the rear of the car sags after being loaded, but before being driven. After going over a few bumps the rear comes back up to normal height. Most Nivomats fail when the seals start to leak this "leveling pressure" out when at rest. After a drive the car looks normal, but the next morning it's sagged. Slowly this gets worse until the pressure leaks out as quickly as it can be pumped in.  SignatureMike F. Thornhill (near Toronto), Ont. NOTE: new address!! Replace tt with t (twice!) and remove parentheses to email me directly. (But I check the newsgroup more often than this email address.) Mike, I must be confused here; When I removed my Nivomats, I also removed what appeared to be a pump mechanism from under my hood, which I was told controlled the shocks. Can you clarify? RS >> I apologise for a similar posting for the shocks. >> My shocks are quite thick with a rubber gator on the bottom, are [quoted text clipped - 9 lines] > car looks normal, but the next morning it's sagged. Slowly this gets > worse until the pressure leaks out as quickly as it can be pumped in. > Mike, I must be confused here; When I removed my Nivomats, I also removed > what appeared to be a pump mechanism from under my hood, which I was told > controlled the shocks. Can you clarify? > > RS Assuming you have a 87 or earlier 760 with the auto climate control (ACC), that is a vacuum pump for that system. Was it mounted above the battery? When you removed the Nivomats were there any hoses connected to them? SignatureMike F. Thornhill (near Toronto), Ont. NOTE: new address!! Replace tt with t (twice!) and remove parentheses to email me directly. (But I check the newsgroup more often than this email address.) Yes Mike, the pump was mounted above the battery. I simply removed the T fitting and reconnected the air line after removing the pump. RS >> Mike, I must be confused here; When I removed my Nivomats, I also >> removed what appeared to be a pump mechanism from under my hood, [quoted text clipped - 6 lines] > the battery? When you removed the Nivomats were there any hoses > connected to them? > When I removed my Nivomats, I also removed >what appeared to be a pump mechanism from under my hood, which I was told >controlled the shocks I had a setup like that on one of my 240s; they were retrofitted self-levelling shocks, but they weren't Nivomats. Nivomats don't require an external pumping system. SignatureStewart Hargrave For email, replace 'SpamOnlyToHere' with my name |
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