Note. Peugeot/Citroen prescribes the use of a special electronic tool (belt tension measuring tool SEEM C. TRONIC, type 105) for correct tension adjustment of an accessory drive belt equipped with a manually adjustable tensioner. This procedure varies greatly depending on engine type, model year, and belt type and condition. The procedure described below is an alternative method that does not require the use of electronic equipment. If any problems occur (e.g. screeching at startup) have the tension checked by a dealer using a special electronic tool at the earliest opportunity.
Examination
1. Place wheel chocks under the rear wheels. Raise the front of the vehicle and securely jack stands under it (see «Lifting and placing the car on supports»). Remove the right front wheel.
2. From under the front of the car, remove the screws, remove the clips and remove the locker (or technological cover on it) wheel arch to gain access to the crankshaft sprocket/pulley bolt. If necessary, release the coolant hoses from the clips on the fender for easier access later.
3. Using a suitable socket and extension, slowly rotate the crankshaft at the crankshaft sprocket/pulley bolt while inspecting the drive belt (-no) along its entire length. Check the drive belt (-no) for cracks, cuts, abrasions and other damage. Also check the belt for signs of «brining», which gives the belt shine, and signs of delamination. If the belt is worn or damaged, replace it.
4. On 1.9L DW series engines with power steering (but no air conditioning), which are equipped with an automatic belt tensioner, check the position of the wear indicators on the idler arm and guard (pic. 12.4). The indicator mark on the shield must be located between the two marks on the tensioner arm. If not, the belt is stretched and should be replaced.
Pic. 12.4. Accessory Drive Belt Auto Tensioner
A Hole for tensioner arm blocking rod
B Indicator mark on plate and mounting hole for locking rod
C Zero wear mark (right) on the tension lever
D Maximum wear mark (left) on the tension lever
5. If the condition of the belt is satisfactory, on models where the belt is adjusted manually, check its tension as described below, taking into account the Note given at the beginning of this paragraph. On models with an automatic spring tensioner, there is no need to check the drive belt tension.