When you select reverse the climate control turns on air recirculation to stop you sucking fumesinto the cab. This is why the fan sounds different in reverse.
I’ve had the same problem with the egr cooler splitting and allowing coolant into the exhaust recirculation. Upon replacing the egr cooler o also found the elbow at the back of the egr cooler had split and was allowing fumesinto the cab.
£280 for the cooler and another £50 for the elbow...
...Brake Pad & Disc change - How I Done It -
204 Engine Top End Oil Leak?
Rear Knocking/rattle What Could It Be?
EGR flexi-pipe: Exhaust FumesInCab, Hissing From Engine Bay.
NUTEXA - Brake Pad & Disc change - How I Done It -
Severed wire on front break pad wear sensor
EGR - Flush & Replacement...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.