Quote:
Originally Posted by Diseasel300
An oil change is good until the pollution level increases, the detergents wear out, or the viscosity begins breaking down from heat and age. With the amount of oil these engines circulate, you can get away with some decently long oil changes if you use decent stuff. Even the cheapest Wal-Mart branded dreck in a jug is better than what was available in 1986.
Claiming someone with an OM603 is abusing their engine because of a cracked head is absolutely ridiculous. The early 603's with the #14 head casting are prone to cracking, even if maintained by the book and with your anal-retentive style of maintenance flushing money down the toilet all the time.
Before claiming people don't respect their cars, learn to respect your other forum members instead of spreading FUD and misinformation.
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I didn't mean any disrespect honestly, I apologize if it came across that way.
I'm also well aware the 603 heads are prone to cracking and this is not related to oil changes. I just find it surprising that someone drives around with a blown head and does 10k+ mile oil changes. The factory manual/book no longer applies to these vehicles at their current age and mileage.
Change the oil often, around 3k miles, use quality filters and oil and you'll be safe. Yes, this is my opinion, along with Kent (someone who has taken 100's of these engines apart).
Watch the video - https://www.youtube.com/watch?v=y4VqcghARzg
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1976 Mercedes 240D (Sold)
1985 Mercedes 300D Turbo Diesel: 500,000KM
1986 Mercedes 300E (Sold)
1988 Mercedes 300E (Sold)
2002 Mercedes C240 (Sold)
2008 Mercedes C350 4matic
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