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3rd September 2019, 17:51 | #1 |
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Rover 75 Saloon Join Date: Apr 2019
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CDTI Undertray clips
Evening all.
My undertray is hanging down on my CDTI facelift contemporary. Half the clips are missing and as I dont have access to ramps it's a pain in the hoop to get the central 2 bolts/clips. 2 questions. 1. Is the undertray really that effective? has anyone took theirs off completely and the car suddenly rusted from bottom up?? 2. I can find the clips on ebay for the front bumper. They're the long screws with what appears to be 1 incredibly course thread on the end. Are the 2 central screws the same as these?? as they completely missing and my undertray is hanging like a hammock!. Cheers all. |
3rd September 2019, 18:04 | #2 |
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rover 75 1.8 vvc club se wedgwood blue Join Date: Aug 2009
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What you need matey https://www.dmgrs.co.uk/collections/...0050-kzm000050
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3rd September 2019, 18:32 | #3 |
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Sorry those are hopeless..;
Had some .too soft and just jam up . And single slot Well that's my experience .
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3rd September 2019, 18:33 | #4 | |
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Hello Robert,
To answer your questions: Do you think that a car manufacturer would go to the trouble and expense of making and fitting a component that wasn't effective? As I understand it, the undertray performs two functions:
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I have the OEM Dzus fasteners on my car. I don't agree that the parts offered by DMGRS are superior. They require many turns because they're effectively screws. Unless you have a 4 post lift, that isn't an advantage. A 180˚ twist wins every time. Simon
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3rd September 2019, 18:50 | #5 | |
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Quote:
A couple of the spring nuts they screw into had failed on the sub-frame and they came complete with the nuts, so I replaced those two as well. They needed a bit of squeezing up, to get the nuts to properly stay put on the sub frame. They do really need the plastic retaining washers to prevent fasteners getting lost. I made lots of them from a 4 pint plastic milk container, using a 25mm hole saw.
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3rd September 2019, 19:01 | #6 | ||
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rover 75 1.8 vvc club se wedgwood blue Join Date: Aug 2009
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Quote:
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Personally, I have similar to these https://www.ebay.co.uk/itm/LANDROVER...cAAOSwux5YKbVA |
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3rd September 2019, 19:42 | #7 |
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Cheers people, the under tray will stay as I supoose I wanted my own thoughts confirmed.
Suzublu many thanks. I dont suppose you know weather the 2 central fasteners use the litle gripper bit of metal or do they screw straight into a thread on the underside of the car?? |
3rd September 2019, 20:26 | #8 |
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My 2000 V6 has an immaculate engine compartment (always had the undertray). My previous 2005 car had no tray and a rusty underside and corrosion showing on the alloy parts of the engine underside (before I treated it!). The V6 engine noise is quieter than the 1.8 was!
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4th September 2019, 01:15 | #9 |
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The standard undertray fittings are absolutely hopeless when the lugs for the Dzus fasteners corrode they don't hold, those LandRover ones are no better as they don't fit on some of the subframe fittings
What you really need to make the undertray secure are some of these instead of the standard clips: https://www.ebay.co.uk/itm/M4-M5-M6-...S5sB70YEcXdGKA M6 should do it combined with some M6 bolts and some suitable repair washers It shouldn't come adrift then My Volvo has them as standard for it's undertray and they do a far better job, they've never come adrift Russ
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4th September 2019, 08:11 | #10 |
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That's easily prevented with a dab of Waxoyl or grease as you would for any threaded fitting in a vulnerable location. Alternatively, renew the corroded part, they are available from X-Part or BMW.
The undertray will not come adrift if the nylon washers are used and the spigots lubricated and positively fitted. Simon
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