Oil Question

*Thumper

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My neighboor is panicing ! ........ hes just put 5w 40,semi synth oil in his diesel car .......... and the oil was not a "suitable for Diesel engines", bottle
ie normal oil ......... does he have an issue ??
 

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He could have a problem,,some makers specify a certain oil,,much depends on the car and the age
 
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55 plate E class 220 ............
 

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The oil should meet spec 229.2 or 3,,the 229.5 to have the latest,,the W numbers are for the viscosity and temp where you live
 
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He knows the specs, in fact the diesel version of this brand has it on the bottle .................. but he's bought, and added a litre an a bit of the petrol version by mistake .................. is the engine gonna disintigrate, and blow up with catastrophic consequences .......... or is he OK till his next service, in around 4000 miles
 

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That will not make much difference, just one liter
 

cmax200

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I think thats the sort of advice he was seeking, not whether its the wrong thing to do, he knows that, its just the possible consequences.
 

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I think thats the sort of advice he was seeking, not whether its the wrong thing to do, he knows that, its just the possible consequences.

I often miss things in the first line,,been doing it for years :(
 
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Yeah, cheers Malc, sorry ! ............ the basic question is Oil change due in 4000 miles ....... topped up with the above ........... are their any consequences ...... (well put cmax)

I told him it'll be OK ......... just wanted back up really
 

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Yeah, cheers Malc, sorry ! ............ the basic question is Oil change due in 4000 miles ....... topped up with the above ........... are their any consequences ...... (well put cmax)

I told him it'll be OK ......... just wanted back up really

Just leave it if the engine detects any oil problem it will bring the service forward
 

oilman

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Most oils are petrol and diesel compatible.

EG. If the label says meets ACEA A3/B3 then it's suitable for A = Petrol and B = Diesel

I'm sure it won't be an issue unless the oil is not suitable for the Catalytic Converter.

Cheers
Guy
 
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Thanks Oilman ........ Just checked with the neighboors wife, and made her very happy ( that sounds wrong)

Its A1/B1 on the label ...........
 

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Thanks Oilman ........ Just checked with the neighboors wife, and made her very happy ( that sounds wrong)

Its A1/B1 on the label ...........

I used to do that once:cool::cool:;):D
 

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A1
Category for low-viscosity engine oils with particularly low High Temperature High Shear viscosity (< 3.5 mPas). Recommended viscosity grades are XW-30 and XW-20. A reduction in fuel consumption of = 2.5% compared to a 15W-40 reference oil must be proven in a Mercedes M 111 test engine.

A2
Category for conventional and low-viscosity engine oils.

A3
Category for conventional and low-viscosity engine oils with greater demands than ACEA A2. Out-performs ACEA A2 with regard to Noack (evaporation losses), piston cleanliness and oxidation stability.

A5 Testing as for ACEA A3 but with proven reduction in fuel consumption and lower HTHS viscosity.

Car diesel (Light duty diesel engines) engines Valid until 2004

B1
Category for low-viscosity engine oils with particularly low High Temperature High Shear viscosity (corresponds to ACEA A1). A reduction in fuel consumption of = 2.5% compared to a 15W-40 reference oil must be proven in a Mercedes M 111 test engine.

B2
Category for conventional and low-viscosity engine oils.

B3
Category for conventional and low-viscosity engine oils. Out-performs ACEA B2 with regard to cam wear, piston cleanliness and viscosity stability in high soot conditions.

B4
Category for TDI diesel engines. Performance as for ACEA B3.

B5
Testing as for ACEA B4 but with lower HTHS and proven reduction in fuel consumption.

A1/B1
Category for Fuel Economy engine oils with especially low High Temperature High Shear viscosity. HTHS of 2.6 to 3.5 mPas applies to XW-20, 2.9 to 3.5 mPas for all others. Corresponds to the old A1 and B1 specifications with some new engine tests.

A2/B2
Basic requirements. Will be replaced by the GLOBAL DLD-1 specification.

A3/B3
Category for high-performance and Fuel Economy engine oils. Exceeds ACEA A1/B1 with regard to Noack (evaporation losses), piston cleanliness and oxidation stability. Extended oil change intervals possible.

A3/B4
Same as A3/B3 but also for direct injection diesel engines.

A5/B5
Category for high-performance engine oils. For TDI engines with Fuel Economy Performance. In addition with lowered HTHS (2.9 to 3.5). Extended oil change intervals possible.

Engines LOW SAPS

An additional category appears in these specifications in which sulphate ash, phosphorous and sulphur content (SAPS) is limited.

C1
Largely based on the ACEA A5/B5. Strict limitation of SAPS content. Low HTHS viscosity of >2.9 mPas.

C2
Same as C1 but with somewhat higher SAPS content permissible (as with C3).

C3
Same as C2 except for HTHS > 3.5 and without Fuel Economy performance.

C4
Same SAPS content as C3, HTHS viscosity as C1.

Cheers
Simon
 


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