Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Principle, coolant temperature above 95°C
With coolant temperatures exceeding + 95°C, the expansion rate of the flame is greater than it would be with a coolant temperature of +95°C.
This results in the combustion pressure building up too early in the cylinder, which gives inferior efficiency and risk of knocking.
To counteract the higher combustion rate, the ignition will be retarded slightly to provide the correct pressure build-up in the cylinder.
See GENERAL, IGNITION .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.