Should the coolant reservoir read full when car is cold?

Asked by Mar 14, 2017 at 06:54 PM about the 2004 Mazda MAZDA6 4 Dr i Sedan

Question type: Maintenance & Repair

2 Answers

74,635

Normally there is a cold line and a hot line to look at depending if the engine is cold or hot.

1 of 1 people found this helpful.
74,635

If that is the only line on the reservoir, the full line, then check the coolant level when the car has sat overnight, then the coolant level should be to the full line.

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