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24th February 2022, 21:05 | #11 |
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25th February 2022, 07:09 | #12 | |
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Just listed a few thoughts and ideas
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25th February 2022, 12:32 | #13 |
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I would try a new set of shocks firstly, if they are locking up then it will alter the height.
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26th February 2022, 15:06 | #14 |
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When I bought my saloon, the rear was higher on one side. Replaced the springs and noticed that only one side had been replaced before. And it was longer in length than the original one on the other side.
So, I would check the lengths of the rear springs are the correct ones for the diesel tourer and already mentioned on this thread that the front springs are for the diesel. |
26th February 2022, 15:29 | #15 | ||
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So how much can I expect the too-low front end to be caused by the too-high rear end? In other words, if the front ride height was set perfectly but the rear height was 30mm too high, how much would the front clearance be pushed downwards? I suppose I could jack the car up on the towbar and observe. Dougie.
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R75 C2 RJBLH Connoisseur CDTi Auto Saloon Built 08/02/2005 @14:57 hrs: Registered 26/08/2005 122nd of 141 built that day British Racing Green Pearlescent (HFF) Sandstone leather with black piping (SPJ) 139,000 miles Last edited by goltho; 26th February 2022 at 15:40.. |
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26th February 2022, 17:10 | #16 |
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Hello Dougie, have you tried to find a code sticker or a colour marker on the rear springs? There's a PDF with the original MGR spring data here* (if you can get it to open or better yet, understand it): https://www.the75andztclub.co.uk/ind...epage=techdata . Failing that, I believe the Rimmer website has it. Regarding shock absorbers, and assuming they are fully operational, they won't alter the body height. It's the springs that determine the loaded height/ground clearance. The shockers simply accomodate themselves to the distance between their mounting points without providing any significant lift. The factory springs code/colour was originally on a printed sticker on the floor under the rear seat. These do tend to deteriorate over the years, but many remain like new. Basically, on a level road surface, the lower edge of the sills should be horizontal as seen in the MGR drawings in Post 7. I doubt that raising the rear end will force the front springs down. However, the body will of course pivot on the front axles and the nose will droop a bit. I believe you can still get factory coded springs if you plan on making changes.
TC *EDIT: Just remembered, you need to be a subscibed member to access the tech data files. Last edited by T-Cut; 26th February 2022 at 17:14.. |
26th February 2022, 17:24 | #17 | |
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I wasn't sure of the effect of having the too-high rear springs on the low front ground clearance, and one member above reckoned it may well be caused by it. I was exploring that thought, hence the further question. I'm planning to take the wheels off, jack the car up, make careful measurements of the unloaded springs, and try to find tech data relating to the few colour coded springs which relate to my car. If I'd got the data and opted for OEM front springs when I changed them, I'd at least be sure the front was right. But I couldn't, and didn't. Dougie.
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26th February 2022, 18:17 | #18 |
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By 'Locking up' The shock can stick at certain points and not allow full travel (Or no travel at all) If this is happening then it could cause your issue.
The only way to discount the hocks is to remove themand see how they compress by hand, if they work well then your issue lies with the springs.
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26th February 2022, 18:57 | #19 | |
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*Actually, do you mean the front? Slightly confused now. I changed the front ones recently along with the springs so they shouldn't be sticking. Dougie.
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R75 C2 RJBLH Connoisseur CDTi Auto Saloon Built 08/02/2005 @14:57 hrs: Registered 26/08/2005 122nd of 141 built that day British Racing Green Pearlescent (HFF) Sandstone leather with black piping (SPJ) 139,000 miles Last edited by goltho; 26th February 2022 at 18:59.. |
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26th February 2022, 19:40 | #20 |
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No, the rears Dougie.
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