Question about 2005 Mazda RX-8

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Whiteish gunk on oil dipstick

When i had my last oil change only 1500 miles ago the guy at the shop said there was a white foam on the dipstick, i didnt think nothing of it just figured he was trying to sell some additive. i check my oil yesterday and the foamy stuff was thick and all over the dipstick. The car runs great no loss of power or anything. Any suggestions of what it could be? thanks, john I have the same problem I have a 2005 RX8 that I bought in August 2008 with a little more than 7k miles and have the white gunk on the dipstick. We have flushed the engine and changed the oil inn less than two weeks the white material was back on the dipstick. I am having it looked at but if this is a ongoing problem then is that considered a "lemon" or what.

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  • Diana Gonzalez Feb 02, 2009

    we have a bumper to bumper roof to pavement extra coverage with a $250.00 deductable

  • Diana Gonzalez Feb 16, 2009

    thanks for the info. My Mazda dealer informed me that this was "normal" however there is a solution. Mazda has a replacement part that allows condensation to leave the engine without accumulating on the dipstick. My car was still under warranty so all I paid for was the one day rental on a car to drive while the part was placed on my car. Thanks for all the help everyone.

  • Diana Gonzalez Feb 16, 2009

    thanks for the info. My Mazda dealer informed me that this was "normal" however there is a solution. Mazda has a replacement part that allows condensation to leave the engine without accumulating on the dipstick. My car was still under warranty so all I paid for was the one day rental on a car to drive while the part was placed on my car. Thanks for all the help everyone.

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I also have an RX8 with this... problem the problem is that most of the people that are giving you these... expert solutions couldn't find their own *** with two hands and a map. Any way there is no problem your mazda has a rotary motor this whitish gunk is normal your car naturally burns oil and with the way the motor is designed this is normal. you should be more worried if you don't see this on your dipstick after running your car.

Posted on Feb 15, 2009

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I bought an 04 rx8 in june of 09 and after baby-ing it for a couple months then changing the oil and driving it like it should be driven i began to notice the white foam on the dipstick. i did some research and heard everything from a cracked block letting water in, to an internal gasket leak letting coolant in the chambers. happy to report its none of those, or anything of major importance. i just had my coolant flushed and replaced today and talked with the tech to see if coolant had been leaking or mixing with oil and he said no, the white froth is not from that or water, it is from a design of the original 04-05 oil pans. the rotors hit the oil and throw it all about causing it to foam, so like beerbaum2 said, there is nothing to worry about, it is normal, if you really dont like seeing that then you can go to a mazda dealership and they will install new baffles into your oil pan to help prevent this. they quoted me $500 but thats probably a little rediculous, i dont know, havent researched it yet. but there ya go :)

Posted on Feb 25, 2010

  • rotorgasm Feb 25, 2010

    also.. dont understand why people are talking about head gaskets in a rotary??

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Its normal for rotary cars. Its condensation. Look it up on rx8club.com

Posted on May 03, 2010

  • gimac13 May 03, 2010

    Its normal with rotarys. Its condensation.

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Traditional wisdom dictates that this is due to engine coolant getting into the engine oil due to a bad head- gasket. Sry to be the bearer of bad news but this will ruin your engine if you dont fix it. Contaminated oil will not lubricate the engine sufficiently. Doesnt an 05 mazda have factory warranty left???? if yes call the dealer to come tow it.

Posted on Feb 02, 2009

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Yeah, bad head gasket! Coolant leaks in and mixes with the oil to create this. Have ot towed to get it fixed at your dealer or local shop if no warranty left.

Posted on Feb 02, 2009

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Hi it sounds like you have a bad head gasket,alowing water in the oil.

Posted on Feb 02, 2009

  • Raymond l Vincent Jr
    Raymond l Vincent Jr Feb 02, 2009

    i would bring to the dealer and have them fix it.it is about a 7-900 dolor job so 250.00dolor deductable is good.

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