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Oil dip stick is full of oil when checking level

Tiny
ROYCAR71
  • MEMBER
  • 2001 NISSAN MAXIMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 178,000 MILES
I did an oil change and put 4 quarts of 5w30. Initially when I checked oil after change, oil level was around hash mark area. Then when I started car and looked again. Oil level was all the way up to handle of dip stick and instead clean clear color of oil it was dark brown. Is this a sign oil is mixing with coolant?

PS: car has a hard time starting and staying on when starting.
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Monday, February 17th, 2020 AT 10:51 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

It could be. Did you have an overheating issue prior to the oil change?

https://www.2carpros.com/articles/coolantantifreeze-in-the-engine-oil

How did the oil look when you drained the old oil out?

Can you post a picture of the oil fill port with the cap off?

Roy
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Monday, February 17th, 2020 AT 11:07 AM
Tiny
ROYCAR71
  • MEMBER
  • 354 POSTS
Sorry the car belonged to a relative and I didn't take pic. The oil was black and thick and sludge. As for overheating, no, she complained of hard steering and car ac blowing hard when accelerating.
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Monday, February 17th, 2020 AT 3:50 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Black sludge is bad. That is neglect from not changing the oil.

Chances are there is internal engine damage.

Roy
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Monday, February 17th, 2020 AT 3:54 PM

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