2002 VW GTI Cooling Fan Test (Part 1)

Watch Part 2 here    • 2002 VW GTI Cooling Fan Test (Part 2)  
One thing missed in this video is water pump flow. This can be checked by looking at the smaller coolant hose entering the expansion bottle. There should be flow coming from this hose with the engine hot (possibly cold too). (Thanks to all who corrected me on this variable and sorry I missed this in the video)
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Here is the link to the combustion leak tester
http://www.walmart.com/ip/19654714?wm...

For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
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