Changing the timing belt and water pump kit on Volkswagen Polo IV 1.4 l

Visualize la courroie de distribution under the cover

Placer le cric under your vehicle

Position la chandelle

Unscrew all screws from the end guard

Remove the mudguard

support the engine by positioning a jack

Unscrew the 3 screws + the nut on top

Operate the tensioner using the clé 16 to relax the accessory belt

Release the belt while holding the tensioner in position.

Remove completely la courroie d’accessoire

Adjust height du cric to easily access the pulley screw.

Using a 21 to 12-point socket and an impact wrench, loosen the screw. Depending on your tool equipment, hold the pulley to loosen the pulley screw, either with a universal pulley wrench or by blocking the flywheel with a screwdriver or other.

Remove the accessory pulley

Remove the accessory belt tensioner pulley to access one of the three housing screws.

Unclip the housing retaining clips.

clear the crankcase

Unscrew the 4 screws from the second part of the support then remove it

Access to the timing belts is possible

Align the shafts so as to insert the pins into each of the camshaft pulleys.

Loosen the tensioner using la clé de 13

Release the first timing belt

Loosen and remove the tensioner then remove the belt

Remove the three galets

Remove by unscrewing the three remaining screws from the protective cover under the radiator

Placer un bac to recover the coolant then open the drain tap by hand.

To facilitate drainage, remove the expansion tank cap.

Remove the upper screw from the timing case half.

Loosen the water pump screws that also hold the crankcase half.

Remove the half casing

Take off la pompe à eau by pulling on it.

Clean the water pump seal face and surrounding area.

Compare the fitment between the old and new water pump.

Position the seal on the water pump.

Place the water pump with the half casing on the engine.

Compare the correspondence of the entirety du kit de distribution(rollers, belts)

Replacing the tensioner roller

Ensure that the tensioner guide is correctly positioned.

Compare the correspondence of the new rollers with the old rollers (diameter and length).

Revise les galets

Engage the belt on the left pulley then on the right pulley

Position the belt so that the upper strand is taut.

Align the belt with la poulie without overflowing.

Take up the slack in the lower strand of the belt by lifting the tensioner

insert the fixing screw.

With une clé Allen de 6 , turn the tensioner to the left until the cleat matches the lug, then tighten the screw

Compare timing belt fitment (shape and tooth spacing).

Adjust the pinion du vilebrequin to the mark.

Position the belt starting from the crankshaft sprocket towards the camshaft and finishing with the tensioner (keep the right strand of the belt taut)

Using a 6 mm Allen key, turn the tensioner to the right until the cleat aligns with the lug.

Remove the camshaft pins, manually turn the engine several times then readjust the tension of the 2 belts if necessary.

Proceed to reassemble the covers and supports.

Fill and bleed the cooling circuit.