thick oil when took the car for service, why?


Asked by Jun 20, 2014 at 07:28 AM about the 2007 Ford Focus

Question type: Maintenance & Repair

13 Answers

Tom Demyan

Are you asking what weight oil the garage should use? Did they use something different than what is recommended?


I took my car for a service last week and when the mechanic went to have the oil he saw that it was very thick, what could be the reason for this?

1 out of 1 people think this is helpful.

My mechanic went to change the oil and he saw that it was very thick, what could be the reason?

1 out of 1 people think this is helpful.
Tom Demyan

How long was it in there? Do you change it regularly?


Yes I change it every time it needs to be changed, but I went over 1000km and then took my car for a service.


What could be the problem?

Tom Demyan

I don't think there is a major problem, the mechanic was just making a comment, I can't see how it would be an issue and or that the oil would be that thick in the cranckcase for a few more km's. It does get dirty over time.


So in other words it's normal? My mechanic told me that the car may have a problem or it may be that when I was taking to get my oil change that the person changing my oil was not changing it properly, could this be the case?

Tom Demyan

Like I said, it could be the weight of the oil that was added. Your cars recommended oil is Motorcraft 5W-20 semi synthetic.

Tom Demyan

Most quick lube shops don't have that on hand and will use 10W-30 conventional oil.


So it's nothing I should worry about?

Tom Demyan

Correct, just make sure you know what weight oil is used when you have the oil changed in the future.


Thanks for your help. Have a good day

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