How to Install New Fuel Injectors in a 1970 to 1973 3.5 or 4.5 V8 Engine - On Demand Video

You might be surprised by the difference these will make in your old D-Jetronic fuel-injected engine. Most are over 50 years old!

In this 23-minute step-by-step "how-to" video, Kent will show you how to install a new set of fuel injectors in your early D-Jetronic engine. This video is included free with the purchase of our early 3.5 and 4.5 fuel injector sets. 

How to Install New Fuel Injectors in a 1970 to 1973 3.5 or 4.5 V8 Engine - On Demand Video

Get it for Free! This is available as a free add-on item. Review the product details for bundle options.

On Demand Video

Product Details

The subjects included are:

  • Indications of worn-out or misfiring fuel injectors
  • Depressurizing the fuel system
  • Removal of the old injectors
  • Preparation of the new injectors and seals
  • Preparation of the steel fuel rails
  • Installation of the new injectors one at a time
  • Double-checking your work
  • Test running the engine
  • Discussion of other problems that may cause rough running and poor performance

This is a 4.5 engine in a 1972 300SEL 4.5

How to view this on-demand video:

Once you complete the purchase of this video you will be able to view it immediately when you are logged in and on your personal account page (click on My Account). The video(s) will show up under My Video Manuals. The video is NOT downloadable to your computer or mobile device, but you will be able to view it anytime, from anywhere and from any device as long as you have internet access and you are logged in to your account at

Important note: This video manual may or may not include all the information you will need to troubleshoot and/or repair your specific problem/s. Please read the full description carefully to determine if this video is applicable to your year and model and contains the information you are looking for. If not, please refer back to our "Solutions Finder" and enter your chassis number and the specific problem you are having to see if we offer a solution.

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