Terraclean Oil Treatment - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 21 (permalink) Old 09-20-2018, 08:58 PM Thread Starter
GWL
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Terraclean Oil Treatment

My Mazda dealership adds Terraclean Oil Treatment when getting oil change, has anybody else used this product?
I'm not so concerned with the added $15 cost but if it does more harm.



Service advisor says;
  • Reduces friction and engine wear
  • Resists sludging and improves all oils
  • Prevents oxidization
  • Safe for use with gasoline and diesel engines


Adding it to new oil during an oil change also gives you extra life time warranty on internal engine components . Covering costs of repairs up too $4000 after your warranty expires .
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post #2 of 21 (permalink) Old 09-20-2018, 10:07 PM
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This treatment is nothing more than a way for the dealer to make money.

Have they given you this warranty in writing? I'd bet Mazda would deny any warranty on your engine if it fails if they find out you've added this.

I would NEVER allow any additive to be added to my engine.

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post #3 of 21 (permalink) Old 09-20-2018, 10:23 PM Thread Starter
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That's what I thought too, I already have an extended 3 year warranty.


No notice given, scammers.


http://www.terraclean.net/product/en...t-part-206220/
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post #4 of 21 (permalink) Old 09-20-2018, 10:53 PM
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Not necessary - I wouldn't do it personally. Just use a good oil (IE. Not 0W20 or Mobil 1), change oil on time and I see no reason why you would need any sort of oil treatment.

I used Shell Rotella 5W40, a good diesel oil for one oil change interval in my BMW (Naturally aspirated Inline-6) with very good results for cleaning the engine's crankcase. The vehicle has roughly 130K KM on it. The oil filter on these BMW's is not encased in metal - Before using this diesel oil the oil filter came out disgusting - all clogged up with shit and just not clean. After Rotella the filter came out far cleaner. with zero sludge. I mention this because Mazda's use about the same amount of oil as BMW (which is quite more than average) except Mazda's oil filter is about Half the size. However, Mazda's 2.5L is DI while my BMW is port injected. Port does not dilute the fuel as much meaning the gasoline acts as a detergent and should help sludge - In theory. However too much of a detergent substance in your crankcase will obviously damage metal inside your engine hence why fuel dilution can be serious. Whether your engine will get dirty with higher mileage it is hard to say unless you cut open the metal casing in our oil filters to look inside. The only thing I can really suggest to all this is always change your engine oil on time with DI motors. Especially considering we use 0W20 here in north america which is roughly the same viscosity at 5W40 after 8000KM of use, This is all certainly something to consider when it comes to using the correct oil.

There are oils out there such as Motul which is thicker and has crucial additives for DI motors to help strengthen the engine oils ability for resisting fuel-shear. Just look for an engine oil that has additives/properties specially formulated to reduce shearing.
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post #5 of 21 (permalink) Old 09-20-2018, 11:52 PM
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^^^ People - more garbage spewed.^^^ We do not drive BMW's nor is this a BMW forum. Please do not use Diesel oil.

Also, the Mazda OEM oil filter is an excellent filter. Size does not matter when it comes to filters, it comes down to the internals.

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post #6 of 21 (permalink) Old 09-21-2018, 12:03 AM
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Quote:
Originally Posted by GWL View Post
My Mazda dealership adds Terraclean Oil Treatment when getting oil change, has anybody else used this product?
I'm not so concerned with the added $15 cost but if it does more harm.



Service advisor says;
  • Reduces friction and engine wear
  • Resists sludging and improves all oils
  • Prevents oxidization
  • Safe for use with gasoline and diesel engines


Adding it to new oil during an oil change also gives you extra life time warranty on internal engine components . Covering costs of repairs up too $4000 after your warranty expires .
Sounds like BS to me. A healthy engine needs no extra additives. A decent oil has any additives the engine wants. I would say no to that and even be a little wary of that dealer.
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post #7 of 21 (permalink) Old 09-21-2018, 12:06 AM
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In the dealership world, that is called a Profit Center. In my head, that is called Snake Oil.

Just say "no".
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post #8 of 21 (permalink) Old 09-21-2018, 07:24 AM
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At the end of the day as long as you stay on top of your Oil change log, use the correct oil (Non-diesel) & oil grade, then you should be perfectly fine. Nothing wrong with Mobil 1, I've ran many cars with it & zero issues. So don't get sucked into a dealership scam on "Additives" or people misleading you with incorrect information & rambling on about their personal experiments with cars that aren't MAZDA.
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post #9 of 21 (permalink) Old 09-21-2018, 09:13 AM
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Never use such things and don't let anyone else put them in your engine. There is no possible way to know what the chemistry of those additives will do in combination with the additive package in any given specific oil; you're playing "chemistry lab" with your engine which is an extraordinarily bad idea.

Any decent 0w20 oil is not only perfectly fine but should produce near-zero UOA wear metals over a normal change interval. I have a slew of results that factually show this. One thing I do recommend and do myself is to use the OE filter; my local dealer offers "4 for 3" on those which means I wind up paying about $25 for four filters; there's simply no reason to buy aftermarket and get unknown filtering quality with the OE's available at a reasonable price and I have the UOA results showing that Mazda did a good job in their oil filter design.
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post #10 of 21 (permalink) Old 09-21-2018, 09:51 AM
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Quote:
Originally Posted by tickerguy View Post
Never use such things and don't let anyone else put them in your engine. There is no possible way to know what the chemistry of those additives will do in combination with the additive package in any given specific oil; you're playing "chemistry lab" with your engine which is an extraordinarily bad idea.

Any decent 0w20 oil is not only perfectly fine but should produce near-zero UOA wear metals over a normal change interval. I have a slew of results that factually show this. One thing I do recommend and do myself is to use the OE filter; my local dealer offers "4 for 3" on those which means I wind up paying about $25 for four filters; there's simply no reason to buy aftermarket and get unknown filtering quality with the OE's available at a reasonable price and I have the UOA results showing that Mazda did a good job in their oil filter design.
A couple UOA' on One engine is not a "slew" of results. It's actually quite the opposite. If we got more people to do UOA reports on engines with worse metal wear values than yours, ones that burned oil, etc. and the report was able to prove that 0W20 is good for engines that aren't in as good shape as yours, then I would be convinced. Otherwise, no showing that an engine with perfect metal wear values is operating just fine on 0W20 means nothing.

An engine with less than perfect metal wear values in particular (IE. consuming oil) Would very much so benefit from thicker oil.
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