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Oil cooler cleaning
http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=4513		 Page 1 of 2
Author:  J-dub [ January 27th, 2013, 8:51 pm ]
Post subject:  Oil cooler cleaning
Whats the most efficiant way to loose and remove this black oily shit without hurting the find??

Image

Bit of petrol / aceton on a rag and gently rub and then blow through with compressed air?

Thanks
Author:  2CViking [ January 27th, 2013, 9:19 pm ]
Post subject:  Re: Oil cooler cleaning
Leave it until warmer temp. You need every bit of heat to keep the oil at working temp.
Author:  ayjay [ January 27th, 2013, 9:42 pm ]
Post subject:  Re: Oil cooler cleaning
i posted the same question a few weeks ago, ken repled that its very important to keep them clean or the oil can overheat on long runs
compressed air and a good attatchment to blast the crud away is good
Author:  2CViking [ January 27th, 2013, 9:47 pm ]
Post subject:  Re: Oil cooler cleaning
ayjay wrote:
i posted the same question a few weeks ago, ken repled that its very important to keep them clean or the oil can overheat on long runs
compressed air and a good attatchment to blast the crud away is good



No not in temps below 0. Ask the Finnish, they block the oil cooler completely during winter and their engines never suffer from over heating. Yes if the temp crawls above +5
Author:  Terry [ January 27th, 2013, 9:53 pm ]
Post subject:  Re: Oil cooler cleaning
I use aerosol engine degreaser [available from such as Halfrods,or even cheaper in y' local Poundland /Poundworld/99p store] .......just spray it on and then brush the fins with a soft paintbrush .....then shift whats left with compressed air.

2CViking wrote:
Leave it until warmer temp. You need every bit of heat to keep the oil at working temp.

:? Strange ......I thought the grille muff was supposed to do that......I overheated my engine on a cold November evening a coupla years ago whilst driving [somewhat quickly] up the A1 .....[resulting in a cracked head,a scored barrel,broken rings & fubar'd piston].
Fortunately,Uncle Ken rebuilt my engine.
IMHO,late model engines [the ones with with the plastic cooling shrouds/cowlings] need all the help they can get to stay cool.

best regards
T.
Author:  toomany2cvs [ January 27th, 2013, 10:24 pm ]
Post subject:  Re: Oil cooler cleaning
2CViking wrote:
Yes if the temp crawls above +5


James isn't Finnish. Here in the UK for the temp to be guaranteed to stay below 5deg for more than a few days at a time is rare.

I'd go a bit further than Terry - rather than just a soft paintbrush, an old toothbrush won't hurt and will get more shifted. Degreaser, brake cleaner, carb cleaner - whatever solvent's to hand.
Author:  2CViking [ January 27th, 2013, 10:26 pm ]
Post subject:  Re: Oil cooler cleaning
Alright then clean it :mrgreen:
Author:  J-dub [ January 27th, 2013, 10:35 pm ]
Post subject:  Re: Oil cooler cleaning
Thanks boys

I hae some gunk at work. Ill use that and a toothbrush
Shall report back.
Author:  ken [ January 27th, 2013, 10:52 pm ]
Post subject:  Re: Oil cooler cleaning
James,
make that a soft toothbrush.
Best way I've found is a paraffin gun (or old spray gun) filled with petrol, followed up
with the air blow gun.

A pressure washer is definitely out, as that's the quickest route to distorted fins.

ken


Jameswallace wrote:
Thanks boys

I hae some gunk at work. Ill use that and a toothbrush
Shall report back.
Author:  lpgo [ January 27th, 2013, 11:54 pm ]
Post subject:  Re: Oil cooler cleaning
I always use compressed air, airgun?? aiming from the backside of the oilcooler to the fanside, so oil and dirt goes out the same way as it goes in....... watch out the louvres are in a 30? degrees angle at a 2cv6.
Please do this all with a soft touch.... You can easily destroy an oilcooler!!!!!!!!!!
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