We have a 1996 Pontiac Sunfire SE with a 2.4L motor. Yesterday we noticed there is oil in the coolant reservoir, but no antifreeze in the oil. Got any suggestions?

SOURCE: 1996 pontiac grand am drivers side window off track how do fix and is it hard not power windows

remove the door panel, from the inside you should have access to the window. lift the window up unto the raling. Check to see if the railing is not bent or why the window came off the railing.

SOURCE: antifreeze/coolant leaking from under passenger side dash

If it's your heater core, unless you're a mechanic you probably should get professional help. The heater core is located on the firewall and many parts need to be replaced to get to it. Do you see water on the floor inside the vehicle, Many times a heater core will leak inside.

SOURCE: changing the oil pressure sending unit on a 1996 2.2 pontiac sunf

Under hood, driver side, front engine area, below cylinder head, where engine meets transaxle housing mounted in block

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Ginko

• 19396 Answers
• Posted on Jul 11, 2009

SOURCE: Ford explorer 2000 antifreeze coolant reservoir

Ensure that there is no leak, checking all the coolant lines and the radiator.
If there is no leak and the car is consuming coolant liquid, then you may have a faulty head gasket.
What happens is that the head gasket allows coolant leaking and being vapourised inside the engine.
To find out if your head gasket is starting to go you can perform a compression test.

Regards.

SOURCE: Engine oil type and capacity for 1999 Pontiac Sunfire SE

You did not specify the engine size but I looked them both up.They take 5w-30 and both take 4 qts.Hope this helps.