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Discussion Starter #1
Had 2010 Range Rover Sport Supercharged diagnosed by local shop. They say the front sway bar has a vacuum leak that is causing engine problems and therefore the front sway bar needs replacing.

Can't find any references to the front sway bar being vacuum operated. Can anyone confirm it is? Or has this shop got it totally wrong?

They want around $3.1k to replace it, which seems a little on the high side, but not out of line with what I have seen others paying. I usually only use the local shop for diagnosis though, I take it to a specialist (long inconvenient drive) for any major work.

Thanks!
 

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Had 2010 Range Rover Sport Supercharged diagnosed by local shop. They say the front sway bar has a vacuum leak that is causing engine problems and therefore the front sway bar needs replacing.

Can't find any references to the front sway bar being vacuum operated. Can anyone confirm it is? Or has this shop got it totally wrong?

They want around $3.1k to replace it, which seems a little on the high side, but not out of line with what I have seen others paying. I usually only use the local shop for diagnosis though, I take it to a specialist (long inconvenient drive) for any major work.

Thanks!
Are you getting RPM bounces when cruising around 50 MPH and 1400 RPM?

Something seems to make a knocking sound in my front end on bumpy downhill grades only, and braking when turning into a corner.

You experiencing any of this?


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Sway bar- vacuum leak? Causing engine problems? sure sounds weird to me. I don't think the sway bar has anything to do with vacuum nor the engine.
What seems to be the problem?
 

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Discussion Starter #4
Sway bar- vacuum leak? Causing engine problems? sure sounds weird to me. I don't think the sway bar has anything to do with vacuum nor the engine.
What seems to be the problem?
A "Whistling" noise is what caused my wife to take it in to be looked at. Shop says codes are showing it running lean and misfires.
Are you getting RPM bounces when cruising around 50 MPH and 1400 RPM?

Something seems to make a knocking sound in my front end on bumpy downhill grades only, and braking when turning into a corner.

You experiencing any of this?
No, none of those symptoms.
 

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Sounds like a vacuum leak in the engine. This has nothing to do with the sway bar.
I think that a tiny sway bar leak can be left as long as you keep an eye on the ACE fluid level.
Vacuum leaks in the engine should be found and repaired and certainly shouldn't cost thousands.
 

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Sounds like a vacuum leak in the engine. This has nothing to do with the sway bar.
I think that a tiny sway bar leak can be left as long as you keep an eye on the ACE fluid level.
Vacuum leaks in the engine should be found and repaired and certainly shouldn't cost thousands.
Well that’s excellent news, most other repairs have been four figure doozies.


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Well, the mechanic redeemed themselves. I called to question their diagnosis and they had already gone back and relooked and corrected it by doing a smoke test. Is the valve cover down by the PCV. I guess it's a bear to get at, so still multi-thousands to fix :( $2700. Oh well. Thanks for the advice all!
 

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Wow,, according to google that is just a bit on the high side. Must be a bear of a job. I assume this is for both sides?

<<
The average cost for a Land Rover Range Rover Sport valve cover gasket replacement is between $2,008 and $2,464. Labor costs are estimated between $1742 and $2198 while parts are priced at $266.>>
 

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Well, the mechanic redeemed themselves. I called to question their diagnosis and they had already gone back and relooked and corrected it by doing a smoke test. Is the valve cover down by the PCV. I guess it's a bear to get at, so still multi-thousands to fix :( $2700. Oh well. Thanks for the advice all!
Did they get it fixed? I have a 2011 SuperCharged and my whistling noise was from the PCV valve rubber diaphragm leaking. Dealer quoted $3K to fix and I bought the parts from them for $140.00
and fixed it myself in about an hour. There are 2 PCV valves on the Valve cover, should replace both. It can be done without removing the valve cover or supercharger like the dealer said. I think they all know it, they just charge what the book says to.
Good luck.
 
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