Mazda 13B-MSP Technical Information PDF herunterladen (Seite 83)

Powertrain Engines

Engine Oil

• For vehicles with RF-T engine and DPF (Diesel Particulate Filter), Mazda has developed

special engine oil called ‘Mazda Dexelia DPF’. This oil meets the specification ACEA C1,

and has a significantly lower ash formation than normal engine oil. As a result of its very

low ash formation in comparison to other engine oils, ‘Mazda Dexelia DPF’ guarantees

lifetime performance of the DPF.

NOTE: If other than the specified oil is used, the service life of the DPF will be shortened.

• In general, the ash forming additives in the engine oil protect the valve train against

wear. Since oil with ACEA C1 specification has 62 % less ash forming additives than oil

with ACEA A3/B4 specification, the RF-T engines on vehicles with DPF feature a

modified valve train, ensuring durability of the engine.

NOTE: Engine oil with ACEA C1 specification must only be used for vehicles with RF-T

engine and DPF. Since other engines (diesel as well as petrol) do not feature a

modified valve train (even the Mazda6 pre-F/L and the Mazda MPV with RF-T

engine), excessive wear would occur when engine oil with ACEA C1 specification is

used, leading to severe engine damages (refer to the respective service information

for details).

Oil Dipstick

• Since the multiple fuel injections required to regenerate the DPF can lead to an

excessively high engine oil dilution, an “X” mark has been added to the oil dipstick to

make the customer aware of this condition. If the oil level is close to or exceeds the “X”

mark, the engine oil must be replaced.

NOTE: Every time the engine oil is replaced, the parameter “Calculated oil dilution” in the

PCM must be reset (refer to the section “Service Procedures”).

L1001.4_01148

1 L mark (Low) 3 X mark (Excessive)

2 F mark (Full)

Curriculum Training 01-73

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Mazda 13B-MSP Technical Information Seite 83