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post #6 of (permalink) Old 5th May 2008
mr espace
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Auto boxes are a bit of a black art you need someone who can rebuild your box properly then you need to keep it cool

You need to change the oil every 20000 miles regardless what renault says !!

Heat is the biggest killer of auto boxes in ANY car

Renaults oil cooler is inadequate at best downright useless is nearer the truth as it is part of the engine coolant system so if your engine gets hot so does the box

double trouble !!

Fitting a seperate cooler has 2 advantages

1 it maintains the box at a cooler temp regardless of engine temp

2 it holds more oil so helps the cooling due to capacity
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