Quote:
Originally Posted by Diesel911
If you go to the Harbor Freight site and look up their leak back tester you will find there is a .pdf of instructions you can view.
Instead of removing one of the spark plugs you have to remove the injectors or glow plugs (you are going to need to buy or make a compression tester adapter for one of those areas) and us that to connect the compressed air to the leak back tester.
If all you want to do is listen to where possible leak is all you need is the compression tester adapter and a fitting to attach the compressed air. A filter in the airline to keep out any water vapor would be a good idea.
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Thank you. I just need to hear where the leak is from. Not concerned with how much seal I have. I already know I have a compression leak or I wouldn’t have a misfire. So I’m going to try your method you mentioned in the second paragraph.
I am wondering if my harbor freight compression tester injector adapter will work on the 606? It worked on my 603. Not sure if them injectors are the same thread.
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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k