Mot 1654 Renault -

When DF1654 is present, the vehicle rarely runs smoothly. You may notice:

Look at the ends of the camshafts. They have asymmetrical slots. mot 1654 renault

When you loosen the camshaft bolts or remove the timing belt, the camshafts can spin independently of the pulleys. Standard alignment marks on the pulleys are completely unreliable for setting internal engine timing. The Mot. 1654 tool slots directly into machined grooves at the rear of the camshafts, locking them in their exact, manufacturer-specified positions relative to each other. When DF1654 is present, the vehicle rarely runs smoothly

: Modern engine bays are often cramped, and standard universal wrenches may not have the clearance required. When you loosen the camshaft bolts or remove

French rubber perishes. Look for cracked vacuum lines running from the solenoid to the turbo actuator or EGR valve. A £5 length of silicone hose can fix a £500 headache.