https://www.volvoforums.org.uk/showt...ghlight=D4192T
A FRIEND OF MINE OWNED THIS 1998 V40 D4192T FROM NEW.AT 52,000 MILES IT BEGAN TO BLOW WHITE SMOKE ON START UP,LOTS OF NEEDLESS ENGINE WORK DONE,UNTIL A DIESEL SPECIALIST,DIAGNOSED THE PUMP DIAGPHRAGM AT FAULT.
I NOW RUN THE CAR,WITH 66,000 MILES ON IT,NO PROBLEMS SINCE THE PUMP DIAPHRAGM REPLACED.