ONLY ONE AVAILABLE. Oil leaks at the oil pressure gauge are becoming an increasing problem on the 123 chassis, particularly on the 1977 to 1985 diesel models. You will discover it when you see wetness at the bottom lip of your instrument cluster or you find oil leaking on your feet or legs! This one was removed from a lower mileage instrument cluster that was super dry and showed no signs of oil wetness. Super clean.
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The leak may be due to the number of miles these cars are being driven. The oil heat and vibration from the engines is weakening the soldered seal on the bi-metallic chamber tube that actuates the needle. When this happens your only option is to replace the entire engine instrument (specific to your year and model) or as an alternative, just replace the oil pressure actuator assembly (this part is common to all years and models).
This kit includes a good used and tested oil pressure actuator, a spare needle should you damage yours removing it, PDF instructions for removing and replacing the actuator on the engine instrument, and a special tool to aid in the removal of the fragile needle.
PLEASE NOTE: Instructions now include video instructions on how to remove the instrument cluster from your dash (video) You may also want to consider purchasing our dash removal tools which are shown in the video instructions make the job much easier. See below.
If you already have an extra gauge and just need the instructions and special tool we do offer those separately as a kit. See related products below or use our search box.
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How to view the PDF digital instructions:
Once you complete the purchase of this product you will be able to download the digital instructions immediately when you are logged in and on your personal account page (click on My Account). Any PDFs will show up under My PDF Manuals. You will be allowed three downloads, so please save the file on your machine for backup.
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Related Products:
W123 Oil Pressure Gauge Actuator Replacement Instructions w/ Special Tool
Oil leaks at the oil pressure gauge are becoming an increasing problem, particularly on the 1981 to 1985 turbo diesel models. You will discover it when you see wetness at the bottom lip of your instrument cluster or you find oil leaking on your feet or legs.
R107 W116 W123 W126 W201 W124 R129 W140 Instrument Cluster Removal Tools
Removing a Mercedes instrument cluster from any of the chassis listed is easy with these special "pull" tools. Many owners do not realize that the instrument cluster is just pushed into the dash panel and not held in with any bolts or screws.
Instrument Cluster Removal and Component Replacement By Kent Bergsma - Download
For all 108, 109, 114, 115, 107, 116, 123, 126, 201, and 124 chassis from 1965 to 1995. I wrote this repair guide to show you how to properly remove your instrument cluster and replace worn or failing components. (NOTE: This is not a detailed manual on how to repair the components.