M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

W164 Front Suspension Torque Specs.

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Old Oct 30, 2018 | 10:17 AM
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W164 Front Suspension Torque Specs.

Does anyone know the torque specs for a 2008 ML550 with non-air suspension? Specifically: Axle nut to hub, Upper ball joint to spindle, Tie rod to spindle, upper strut mount and sway bar to strut.
Thanks in advance! Ray G

Last edited by onequickcobra; Oct 30, 2018 at 10:20 AM. Reason: Forgot one spec.
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Old Oct 30, 2018 | 05:17 PM
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Front or rear?
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Old Oct 30, 2018 | 06:48 PM
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Front...sorry I didn't mention that!
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Old Oct 31, 2018 | 03:09 PM
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Is the strut with a spring or Airmatic?
Attached Files
File Type: pdf
R&I Upper Control Arm Right.pdf (138.4 KB, 2487 views)
File Type: pdf
R&I Front Axle Shaft.pdf (196.7 KB, 3016 views)
File Type: pdf
R&I Tie Rod Outer Ft..pdf (89.5 KB, 1557 views)
File Type: pdf
R&I Sway Bar Ft..pdf (139.4 KB, 1611 views)

Last edited by Maj. Dundee; Oct 31, 2018 at 03:40 PM.
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Old Nov 7, 2018 | 08:35 AM
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Originally Posted by Maj. Dundee
Is the strut with a spring or Airmatic?
Thanks so much for the specs.! I'm sorry to get back so late, but I was away from the project for the last week. The vehicle has a strut suspension, so I believe that the correct spec. for the axle nut is 260 NM, + 45 degrees. I can't find the upper strut tower to chassis mount specs for the 3 nuts, and the torque spec for the coil spring assembly retaining nut for the top of the strut if you happen to have them. Thanks again for all your help!!! Ray G.
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Old Nov 7, 2018 | 03:28 PM
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Yes the torque is 250 with an additional 45 degrees using a Torque Angle Gauge. And here is a video on how to use it.

Attached Files
File Type: pdf
R&I Front Strut All #1.PDF (191.2 KB, 1173 views)
File Type: pdf
R&I Front Strut All #2.pdf (92.5 KB, 623 views)
File Type: pdf
R&I Front Strut All #3.pdf (195.8 KB, 688 views)
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Old Nov 7, 2018 | 07:28 PM
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I appreciated the quick response and tool suggestion; it will come in handy for sure! Do you happen to know what the torque is for the single nut holding the coil spring pack to the top of the strut? Thanks again ! Sincerely, Ray G
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Old Nov 9, 2018 | 04:36 AM
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Here it is and I hope this is the end of it.

Warning: that the spring is loaded and can only be done with special spring compressor.
Attached Files
File Type: pdf
R&I Front Strut w-Spring.pdf (103.7 KB, 758 views)

Last edited by Maj. Dundee; Nov 9, 2018 at 04:40 AM.
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Old Nov 9, 2018 | 12:53 PM
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Major: Perfect & thanks so much! I have it all apart, but don't want to reassemble it without the specs, and as you know they are difficult to find. Thanks, again! Ray G.
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