2003 Silverado 1500 4.8L V8
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I don't recall ever dealing with one on an '06 and back. It may not even exist on that. I can't remember for sure. Any kind of ice in or after the evaporator is normally due to low charge with both a clutch-cycling orifice tube system, and a TXV system. -
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By Grumpy Bear · Posted
Engines wear. It is unavoidable. So the question isn't if it will wear out but rather WHEN it will wear out. That question is about rate and RATE is a HUGE problem for almost everyone; but not in the way we may think. Unless there is something drastically wrong with your powertrain, wear is exceedingly slow. It doesn't wear out in minutes or hours or days or months but in years or even decades. Ditto sludge and varnish. Humans are an impatient lot so to see the benefit of a truly superior product you may have to wait a very long time. Most will get bored first and trade before they reap the benefit. Humans are not companionate creatures when it comes to those we do not know. We don't care what happens to the second or third owner as long as it doesn't happen to us or someone we know and actually like. Sad commentary on humans but it is what it is. That thus, then, there is no advantage...to or for you if the above paragraphs adequately describe you. BUT if you are a buy and hold type and patient enough to reap the rewards of your labors then that thing that is happening that you haven't yet seen, but will; can be abated by such products. Seals harden and leak with time and lots of it. Rings stick after thousands of miles of a slowly building plaque of varnish. Then there is this. This didn't happen over night and this poor fellow knew when he removed the cover and not one second before. Not "aware' isn't the same thing as "isn't happening". The above was typical of the Ford 361 and 391 bus motors on Bulk Pennzoil Mineral Oil products on 3K mile OCI's at about 60K miles back in the 60's and 70's at the Anamosa School District when my Uncle took over their maintenance program. This is Pepper at @ 165K on 5K OCI's using Group IV/V Full Synthetics. HM oils will help the first but not the second. Then again if one used..... ah, ya know..... -
Thanks for coming back with an update. -
Awesome you got it sorted! That's a new potential issue I'll have to mark in my book of issues. Thanks for the feedback. -
By Grumpy Bear · Posted
https://www.lubesngreases.com/lubereport-americas/10_07/survey-russian-drain-intervals-drop/
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