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Username Post: Red oil in crankcase        (Topic#290105)
A White Sport Coupe 
"9th Year" Silver Supporting Member
Posts: 407
A White Sport Coupe
Reg: 08-19-10
11-27-12 02:05 PM - Post#2292748    


I just changed the oil in my wifes 2006 HHR with 2.2 litre 4. It has a red tint. Can the transaxle leak into the crankcase? Never saw it before. 63,000 mile car.




Dedicated Member
Posts: 5441
Loc: Lake Superior-Michigan US...
Reg: 03-30-00
12-03-12 04:44 AM - Post#2294486    
    In response to A White Sport Coupe

No. Did you change the engine oil and drain the transmission?

Maybe someone added transmission fluid (ATF) instead of engine oil, on purpose or mistakenly? I recall many years ago I opened a qt of engine oil and found there was ATF inside.

Many beleive that ATF works as an engine flush and will add it to oil. That of course is just an old mechanics myth.

Another possibilty is engine oil dye was added to find a leak source although most of those only will be visibly under a black light.

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A White Sport Coupe 
"9th Year" Silver Supporting Member
Posts: 407
A White Sport Coupe
Reg: 08-19-10
12-03-12 03:02 PM - Post#2294653    
    In response to elcamino

Thanks elcamino,

There's no drain plug, dipstick or filler neck on this car. You're supposed to take it in at 60,000 for a fluid swap. Other wise there is no transaxle maintenance.

I'll drain it after about a thousand miles and see what it looks like.



Valued Contributor
Posts: 4573
Loc: MO
Reg: 12-25-03
12-07-12 07:01 AM - Post#2295813    
    In response to A White Sport Coupe

Engine changes tend to be a lot more expensive than oil changes . I would recommend getting the engine oil checked out ASAP at a dealership if it is red.

As for the 4 speed transaxle, the way to drain the fluid is to take the filter pan off. You should change the filter too if you take the pan off. On top of the transaxle, there should be two plugs or caps. The plug closer to the engine I guess is an inspection point for the flexplate. Don't pour fluid in there, it will just run out. The cap or plug further from the engine is for adding fluid to the transmission through a funnel. Using it will be a cap that screws on, but I don't remember if it is always like that or not.

As for checking the fluid level of the transmission, there is an inspection plug on the passenger side of the transaxle where it kind of wraps around the engine IIRC. You need to look around for it because it is hard to find. Fluid has to be checked while running, so first loosen the plug, turn the engine on, then take the plug out. If any fluid pours out, then let it drain out because there is too much. If no fluid pours out, then it might be too low and add some more until it is just starting to drip. **It must be checked while running, because it will pour out too much fluid if you pull the plug while it isn't running.**


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