Engine decarbonisation

petercz · May 23rd, 2020, 09:29

How to properly clean up this mess?

400-ascona · May 23rd, 2020, 20:05

The removed parts you can clean with petrol or if you are rich, carb cleaner! I would be careful cleaning up inside the block and around the crank as you could dislodge dirt that then gets into the bearings which would be a bad result. Maybe a wipe around with a lint free cloth. If it doesn't come off that way it is probably there to stay. If you start putting solvents/cleaners up there you could wash oil away from moving parts that will then run dry at next start up, and/or soften dirt that you can't get at/see resulting in it moving and causing damage when you run it up.
All that said, some people run cleaning solutions through their oil systems. I have always felt that to be a bad idea, but recognise that's just my opinion.
Rob

volvo again · May 24th, 2020, 10:59

I would be tempted to just wipe off any gunk I can see with petrol or paraffin soaked rags. Unless you're doing a total strip down you'll never remove everything.
I never use a flushing oil as it can dislodge particles and block oilways etc
Regular oil & filter changes with good quality oil can help

May 23rd, 2020, 09:29	#1
petercz Member Last Online: Apr 16th, 2024 16:58 Join Date: Aug 2011 Location: CZ	Engine decarbonisation How to properly clean up this mess? __________________ '96 850 R, B5234T5, AW42-50LE \| '89 764 GLE, D24TIC, ZF 4HP22 '97 944 Turbo, B230FK, M90 (145kW/330NM - Vialle LPi, BTI chips, 16T@0.8bar, 3"DP+2,5"cat-back, wasted-spark, DO88 IC, Bilstein B6, lowered, dual-sways...)

May 23rd, 2020, 20:05	#2
400-ascona Premier Member Last Online: Apr 19th, 2024 10:05 Join Date: Mar 2008 Location: Derby	The removed parts you can clean with petrol or if you are rich, carb cleaner! I would be careful cleaning up inside the block and around the crank as you could dislodge dirt that then gets into the bearings which would be a bad result. Maybe a wipe around with a lint free cloth. If it doesn't come off that way it is probably there to stay. If you start putting solvents/cleaners up there you could wash oil away from moving parts that will then run dry at next start up, and/or soften dirt that you can't get at/see resulting in it moving and causing damage when you run it up. All that said, some people run cleaning solutions through their oil systems. I have always felt that to be a bad idea, but recognise that's just my opinion. Rob __________________ 1997 V70R AWD, Saffron, Manual; Lotus Carlton; Ascona 400; Mini Cooper S Works; 4.2 Supercharged Range Rover; Land Rover Discovery 4; Suzuki GSF1200N; BMW R80/7; Velocette Venom; Daimler V8 250.

May 24th, 2020, 10:59	#3
volvo again Master Member Last Online: Yesterday 17:46 Join Date: Jun 2018 Location: Presteigne, mid Wales	I would be tempted to just wipe off any gunk I can see with petrol or paraffin soaked rags. Unless you're doing a total strip down you'll never remove everything. I never use a flushing oil as it can dislodge particles and block oilways etc Regular oil & filter changes with good quality oil can help

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