Continuando con informacion para el mantenimiento de jetta 2.0L , comparto manual para cambio de banda de tiempo
NEW BEETLE & 1999-2006 GOLF & JETTA
On 1.7L models, this engine is classified as a free-wheeling engine. Because of this free-wheeling design, if the timing belt breaks or jumps timing, there is less chance of a piston contacting an open valve. To avoid belt breakage, replace the timing belt as recommended by the vehicle manufacturer timing belt replacement interval.
On 1.5L, 1.6L, 1.8L Non-Turbo & 2.0L models,these engines are classified as an Interference engine. If the timing belt breaks or jumps timing, a piston may contact an open valve. Piston to valve contact may cause damage to the valve, piston and other engine components. In some cases valve to valve contact may be experienced when the timing belt breaks or jumps timing. To avoid belt breakage, replace the timing belt as recommended by the vehicle manufacturer timing belt replacement interval.
With the timing belt removed, avoid turning the camshaft or crankshaft. If movement is required, exercise extreme caution to avoid valve damage caused by piston contact.
1.Wait until the engine has cooled down before installing the timing belt.
2.Obtain the radio anti-theft codes and record the station presets, then disconnect and isolate the battery ground cable.
3.Disconnect the RED voltage supply connector marked "Air Bag," located behind the instrument panel.
4.Wait 20 minutes to allow the air bag system capacitor to discharge prior to performing service.
5.Remove the engine appearance cover.
6.Remove the righthand insulation tray.
7.Rotate the engine accessory drive belt tensioner clockwise.
8.Lock the tensioner with VW locking tool No. 3090, or a 5/16 inch diameter pin approximately 2 1/8 inches long. An assistant may be required for this step.
9.Note the running direction, then remove the serpentine belt.
10.Remove the serpentine belt tensioner mounting bolts, then the tensioner.
11.On models equipped with manual transmission,rotate the crankshaft in the normal running direction until the No. 1 cylinder reaches TDC compression stroke and the flywheel timing marks are properly aligned, Fig. 1.
12.On models equipped with automatic transmission,rotate the crankshaft in the normal running direction until the No. 1 cylinder reaches TDC compression stroke and the flexplate timing marks are properly aligned, Fig. 2.
13.On all models, remove the timing belt upper cover.
14.Ensure the camshaft sprocket timing marks are properly aligned, Fig. 3.
15.On Golf and Jetta models, install VW engine support tool No. 10-222A with legs 10-222A/1, or equivalents.
16.On New Beetle models, install VW engine support tool No. 10-222A with legs 10-222A/1 and adapter 10-222 A/8, or equivalents. A 12.5 MM hole will have to be drilled in the 10-222 A/21 guide approximately 7.9 inches in from the hole opposite the slotted end before the adapter can be used.
17.On Golf and Jetta models, proceed as follows:
a.Position the coolant expansion tank aside with the hoses attached.
b.Position the power steering fluid reservoir aside with the hoses attached.
c.Remove the six side engine support mounting bolts, then the mount.
18.On New Beetle models, remove the four engine mount bolts (1), Fig. 4, then loosen, but do not remove, bolt "A."
19.On all models, remove the crankshaft pulley retaining bolts, then the pulley.
20.Remove the timing belt center and lower covers.
21.Remove three engine mount bracket bolts, then the bracket. It may be required to raise the engine slightly to loosen the retaining bolts.
22.Rotate the timing belt tensioner counterclockwise to release the timing belt tension using VW wrench tool No. T 10020, or equivalent, then remove the belt.
23.Inspect the water pump and all nearby seals for leakage or damage. Replace as required.
24.Ensure all the timing marks are still properly aligned, Figs. 1 through 3. If alignment of the camshaft sprocket timing marks is required, turn crankshaft back slightly. If piston is at TDC, the valve could strike the piston. After aligning the camshaft sprocket timing marks, align the crankshaft timing marks.
25.Wait until the engine has cooled down before installing the timing belt.
26.Install the timing belt onto the crankshaft sprocket and the water pump pulley.
27.Insert the engine mount bracket retaining bolts into the bracket, then install the bracket onto the engine block. Torque the bolts to 33 ft. lbs.
28.Install the timing belt lower and center covers.
29.Install the crankshaft pulley. On New Beetle models, torque the bolts to 18 ft. lbs. On Golf and Jetta models, torque the bolts to 30 ft. lbs.
30.Ensure the crankshaft pulley timing marks are properly aligned, Fig. 5.
31.Install the engine mount with new bolts.
32.On Golf and Jetta models, ensure the mount is properly aligned, Fig. 6.
a.The bolt heads (1) must align with the edge of the mount "C."
b.Dimension "A" must be 0.55 inch.
c.Dimension "B" must be at least 0.40 inch.
d.Torque M6 bolts to 84 inch lbs.
e.Torque M8 bolts to 18 ft. lbs.
f.Torque M10 bolts to 30 ft. lbs.
g.Torque M12 bolts to 44 ft. lbs.
33.On New Beetle models, proceed as follows:
a.Torque the mount to body bolts to 30 ft. lbs., then rotate an additional 90°.
b.Torque the mount bracket to body bolt "A,"Fig. 4, to 18 ft. lbs.
c.Torque the mount to engine bracket bolt to 44 ft. lbs., then rotate an additional 90°.
34.On all models, remove the engine support tools.
35.Ensure all the timing marks are properly aligned, Figs. 1 through 3.
36.Loop the timing belt around the camshaft sprocket and tensioner roller.
37.Rotate the timing belt tensioner counterclockwise until the notch (1) and indicator (2) are aligned using VW wrench tool No. T 10020, or equivalent, Fig. 7. Use a suitable mirror for this inspection. The angled retainer must also be securely located in the cylinder head cutout.
38.Torque the tensioner mounting nut to 15 ft. lbs.
39.Rotate the crankshaft two turns in the normal direction of rotation. The timing belt tensioner notch (1) and indicator (2) must move back into proper alignment, Fig. 7. It is important that the last 1/8 turn of rotation is made without interruption.
40.Install the timing belt upper cover.
41.Install the serpentine belt tensioner, then torque the bolts to 18 ft. lbs.
42.Lock the tensioner with VW locking tool No. 3090, or a 5/16 diameter pin approximately 2 1/8 inch long. An assistant may be required for this step.
43.Install the accessory drive belt. Refer to "Accessory Drive Belt Tension" for proper belt tension.
44.Install the righthand insulation tray.
45.Install the engine appearance cover.
46.Connect the battery ground cable, then arm the air bag system.
47.Start the engine and ensure it operates properly.
48.Reset the radio station presets and the clock.