Quote:
quote:Originally posted by HughM
If my Duramax is close to 15,000 miles since last fuel filter replacement it starts being sluggish and a little loss of power. For those with GM diesels...change the fuel filter at 15,000 or suffer the results.
New fuel filter (15 mintues exchange) makes all the difference.
Hugh
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If you want to get more life out of that expensive GM filter, you can add a Cat pre-filter system. I use one on my truck. The Cat filter is also 2 micron and about 4 times the size of the GM filter. It costs a lot lets too - around $15. I don't think you get diesel fuel too clean!
One place that sells this kit is here:
http://nicktane.com/osc/product_info.php?products_id=28