Sorry to bother you guys, got a bit of a problem.

my mrs has a focus mk1 1.6 zetec on an X plate. the car has been in family since new and is on 107k.

last week i noticed oil in the expansion tank. there is no mayo under the oil cap and the car hasnt overheated.

do these cars have an oil cooler/intercooler that could be leaking? or has the headgasket failed? strange that the mayo is only in the water and not the oil.

if anyone has any info i would appreciate it, had a scout on google but there really isnt the same amount of info out there as there is for my golfs!lol!

thanks