Altering the timing belt on any automotive, particularly a excessive-finish German mannequin just like the Audi TT, is a time-consuming job. It may be accomplished by the skilled dwelling mechanic with the right instruments and good manufacturing unit handbook, probably saving some huge cash.
Audi TT Timing Belt Change Instructions
1. Jack up the automobile and place safely on the jackstands. Take away the best front wheel, sound pads and wheel arch liner. Open the hood and remove the engine cowl, coolant reservoir cowl and cost pipe.
2. Take away the cap from the coolant reservoir and drain the coolant with the hose hooked up to coolant drain valve. Take away the coolant reservoir and disconnect the wires. Take away the ability steering fluid reservoir with a 5-mm Allen wrench. Plug up holes to stop dripping and wipe up spilled fluid.
3. Loosen the fan belt tensioner with a 15-mm wrench and remove the belt. Then remove the tensioner, held on with three thirteen-mm bolts. Take away the crank pulley with an Allen wrench. Take away the higher timing belt cowl by releasing the front and again clips.
4. Assist the engine with an engine hoist and remove the suitable facet engine mount bolts with a sixteen-mm and an 18-mm wrench. Don’t reuse the bolts. Loosen the engine mount bracket to pivot the bracket and remove the center timing belt cowl with the ten-mm hex instrument.
5. Align TDC (Prime Useless Heart) timing marks on the camshaft sprocket and the valve cowl utilizing a socket on the cam sprocket. Clamp the belt and sprocket collectively to forestall transferring. Affirm the marks by eradicating the rubber cap on transmission and checking to see if the TDC marks line up on the flywheel and transmission. Mark the timing belt on the crank sprocket. Take away the timing belt from the water pump and crank the sprocket by wiggling it forwards and backwards and out. Switch TDC, directional and 68th tooth mark (counted on outdated belt) marks to new timing belt.
6. Set up the brand new tensioning damper with the ten-mm socket and curler with the 8-mm Allen wrench. Clamp on the brand new timing belt and align TDC marks. Set up the timing belt on the crank sprocket.
7. Utilizing a breaker bar and a 19-mm socket on the crank sprocket, tighten the bolt into the crank sprocket making certain that the timing belt doesn’t leap a tooth from the TDC marks. Set up the timing belt on different elements such because the water pump, crank and tensioner curler, cam sprocket. As you flip the crank, ensure there’s not resistance from the pistons interfering with the valves, which signifies that the timing will not be right.
8. Rotate the cam sprocket to align with the TDC notch on the valve cowl and examine the flywheel to see if the TDC notch is seen. If it isn’t, the timing belt should be reinstalled. Rotate the crank twice to double-verify the settings. Take away the securing pin from the tensioning dampener with pliers and reinstall the center timing belt cowl. Reinstall the lower timing belt cowl.
9. Reinstall the engine mount bracket and mount utilizing new stretch bolts. Put the higher timing belt cowl on and reinstall the crank pulley. Reinstall all different components within the reverse of elimination, place automotive on degree floor and prime off coolant.
Read More : Audi TT Timing Belt Change Instructions
