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Technical Data Engine Oil Viscosity - 4JX1 Opel Monterey A

Engine Oil Viscosity

The following engine oils can be used depending on the outside temperature.

A = single-grade oils (not recommended).

B = multigrade oils

* not recommended for diesel engines when temperatures habitually exceed 10 °C.

Oil pressure is used to power the diesel injectors of the 4JX1 engine, therefore, only the following viscosity of multigrade oil may be used.

0W-X or 5W-X or 10W-X (where X = 30, 40, 50 or 60)

An incorrect oil viscosity may lead to poor engine starting in low ambient temperatures.
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