1. G

    td4 whistling noise

    Hi rainady My air temperature cable at the moment is attached to the brakeline clip on the bulkhead behind the air filter box. (As instructions locate the air intake cable away from engine ,it doesn`t need to be in the intake air flow.)I may try fitting it into the air filter box at a later...
  2. G

    td4 whistling noise

    Hi Rainady The synergy 2 is worth the money. It certainly gives the car some ooomph! My wife drove it, safely overtook a cyclist, and could not believe how quick it took off - the passengers were a bit surprised too. But seriously, I followed roverons advice, cleaned EGR valve and PCV...
  3. G

    td4 whistling noise

    Thanks for all the help I will check hoses, and under car for whistling rogers .
  4. G

    td4 whistling noise

    Hi Freelander owners I have recently bought a Freelander TD4 auto and have fitted one of roverrons synergy 2 tuning box which is great. However since fitting when accelerating hard it has developed a whistling noise. Does anyone have any ideas as to what is the cause. Thanks