Question about 1998 Audi A6

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Timing mark.

I want to know where the timing marks are to fix timing belt. Thanks.

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  • Audi Master
  • 733 Answers

FOR WHAT ENGINE??

Posted on Apr 01, 2014

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Posted on Jan 02, 2017

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SOURCE: snapped timing belt on 1.8t

just fixed my Audi TT ... timing belt snapped so the head had to come off to replace valves. used dial guage on top of piston !
if head is on then there is a plug you can remove that allows you to see top dead center..

Posted on Aug 04, 2008

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SOURCE: Timing marks for A80 Diesel 1983 please as I have

YOU NEED A REPAIR MANUAL.BECAUSE IT WILL SHOW YOU A DIAGRAM OF YOUR TIMING MARKS.AND HOW TO ADJUST TIMING BELT TENSION.ANY TIME YOU REPLACE A TIMING BELT ON ANY ENGINE.YOU NEED A TIMING BELT DIAGRAM.IF YOU DONT.YOUR ENGINE PISTONS WILL HIT THE VALVES CAUSE TERRIBLE ENGINE DAMAGE.

Posted on Aug 31, 2009

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SOURCE: engine timing

put car at top dead center then put the rotor on distributor to the first piston firing

Posted on Nov 19, 2009

alicantecoli
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SOURCE: hi there... im currently working

chances are the valves are bent,as for timing marks then its not difficult TDC no1 and valves for no1 closed with inlet about toi open ,easy then in that position look for the timing marks ,basic motor mechanics ,timing a engine with no marks at all ,pt 2 city and guilds motor mechanics exam.

Posted on Aug 21, 2010

TDISLine
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SOURCE: Hi can any one help,I need to know what timing

The timing belt diagram for 2001 Audi A4 Quattro 1.8 Turbo 20v

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Posted on Nov 05, 2010

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2 Answers

Timing marks 1993


spark or cam ?????????????????
and which engine, some cars have up to 10 choices.
most are about 3 or 4.
not of this can i guess.

May 29, 2014 | 1993 Pontiac Grand Prix

1 Answer

I need timing belt marks for new timing belt on a 1994 Toyota Camry LE 2.2L 4 cylinder


Firstly the no.1 piston should be at TDC (compression).

The upper camshaft sprocket has a smaller hole in the web. This should be lined up exactly with the TDC timing mark behind it on the cam bearing cap. In this position it will be vertically upwards.

At the same time the notch in the crankshaft pulley timing flange should be opposite the 0 degrees mark on the timing marks on the front of the lower belt cover.

Nov 12, 2011 | 1994 Toyota Camry

2 Answers

Timing belt replacement. what are the mark settings on the pulleys?


If you dont know the marks on an engine when replacing the timing belt. There are usually marks on the pulleys and housings to line up. Put the engine on top dead centre TDC from the crankshaft marks before looking for the other marks. If you cant find them Use white out to place your own marks on the pulleys and housings before removing the old belt . To be sure nothing gets out of line mark any pulley that has teeth. It can be useful to take a few digital photos . When fitting the new belt make sure your marks line up again.

Mar 03, 2011 | 1992 Geo Storm

1 Answer

Need to know timing marks


REMOVAL
1. Disconnect negative battery cable.
2. Loosen power steering lock bolts and nuts accordingly and remove tension from power steering (P/S) and/or air conditioning (A/C) compressor drive belt.
3. Remove P/S and/or A/C drive belt.
4. Loosen generator mounting bolts and adjusting bolt.
5. Remove generator bolts.
6. Remove water pump pulley.
7. Remove crankshaft pulley.
8. Remove upper and lower timing belt covers.
9. Turn crankshaft so that timing mark on timing belt pulley is aligned with timing mark on engine.
10. Check that "I" mark on intake camshaft pulley is aligned with mark on seal plate and "E" mark on exhaust camshaft pulley is aligned with mark on seal plate.
Do not move camshaft or crankshaft once timing marks have been correctly positioned.
11. Loosen tensioner pulley lock bolt.
12. Protect timing belt with a rag.
13. Remove tensioner pulley.
14. Remove timing belt. Mark the direction of timing belt rotation (on the timing belt) for proper reinstallation.

INSTALLATION
1. Install tensioner pulley. Replace tensioner spring whenever timing belt is replaced.
2. Pull tensioner pulley to its furthest point and tighten lock bolt.
3. Check that timing mark on timing belt pulley is aligned with timing mark on engine.
4. Check that "I" mark on intake camshaft pulley is aligned with mark on seal plate and "E" mark on exhaust camshaft pulley is aligned with mark on seal plate.
If existing timing belt is being reused, install belt in proper rotation direction marked prior to removal.
5. Install timing belt onto timing belt pulley first, then idler pulley, exhaust camshaft pulley, intake camshaft pulley, and tensioner pulley in that order.
6. Check that there is no looseness in belt between idler pulley and exhaust camshaft pulley or between intake and exhaust camshaft pulleys.
7. Loosen tensioner pulley lock bolt and allow tensioner spring to apply tension to timing belt.
Do not add additional tension.
8. Tighten tensioner pulley lock bolt to specified torque.
Tightening torque:28~38 lb-ft (38~51 N·m, 3.9~5.2 kg-m)
9. Rotate crankshaft two full revolutions (clockwise only) and align timing mark on timing belt pulley with timing mark on engine block.
10. Check that "I" mark on intake camshaft pulley and "E" mark on exhaust camshaft pulley are aligned with marks on seal plate.
11. If they are not aligned, remove timing belt and start process from tensioner installation.
12. Measure timing belt deflection by applying moderate pressure midway between camshaft pulleys. If deflection is not correct, repeat from tensioner installation.
Deflection pressure:22 Ib. (98 N, 10 kg)Deflection:0.39~0.50 in. (11~13 mm)
13. Install lower and upper timing belt covers in that order.
Tightening torque:5.8~8.0 Ib-ft (7.9~10.7 N·m, 0.8~1.1 kg-m)
14. Install timing belt guide plate and crankshaft pulley.
Tightening torque:9.0~12.6 lb-ft (12.3~17.2 N·m, 1.3~1.8 kg-m)
15. Install water pump pulley.
Tightening torque:9.0~12.6 lb-ft (12.3~17.2 N·m, 1.3~1.8 kg-m)
16. Install generator belt and adjust the tension.
17. Install P/S and/or A/C drive belt and adjust the tension.
18. Connect negative battery cable.

INSPECTION
Never forcefully twist, turn inside out or bend timing belt. Do not allow oil or grease to come in contact with timing belt.
1. Replace timing belt if it is contaminated with oil or grease.
2. Check timing belt for uneven wear, fraying, peeling, cracking and hardening. Replace timing belt as necessary.
3. Bend timing belt into a "U" shape as shown in figure. Distance "A" must be at least 1.0 in (25 mm).
4. Inspect both idler pulley and tensioner pulley for uneven wear and smooth bearing operation.
5. Inspect camshaft pulleys and timing belt pulley for broken teeth or damage.
Replace any component that shows damage, excessive wear, or that appears prone to a possible failure.

Feb 26, 2011 | 2002 Kia Spectra

1 Answer

Fixing the timing belt


  1. Disconnect the negative battery cable and remove the accessory drive belts, crankshaft pulley and the timing belt cover(s).
  2. Temporarily reinstall the crankshaft pulley bolt and turn the crankshaft to TDC of No. 1 piston. The mark on the camshaft sprocket should be aligned with the mark on the inner timing belt cover or the edge of the cylinder head.
  3. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing. On 8 valve engines, the notch on the crankshaft pulley should align with the dot on the intermediate shaft sprocket.
  4. Loosen the locknut on the tensioner pulley and turn the tensioner counterclockwise to relieve the tension on the timing belt.
  5. Slide the timing belt from the sprockets.

To install:
  1. Check the alignment of the timing marks. On 16 valve engines, the mark on the tooth should align with the mark on the rear belt cover.
  2. Install the new timing belt and tension the belt so it can be twisted 90 ° at the middle of it's longest section, between the camshaft and intermediate sprockets.
  3. Recheck the alignment of the timing marks and, if correct, turn the engine 2 full revolutions to return to TDC of No. 1 piston. Recheck belt tension and timing marks. Readjust as required. Torque the tensioner nut to 33 ft. lbs. (45 Nm).
  4. Install the belt cover and accessory drive belts.
  5. If the belt is too tight, there will be a growling noise that rises and falls with engine speed.

Apr 01, 2010 | 1993 Volkswagen Golf

2 Answers

2000 dodge caravan V6 3.0L interference or not??


Timing chain is only available in the 3.3L and 3.8L engines.

Yours has a belt. (if you're SURE its a 3.0L)

Here is the info on changing it...

3.0L Engine
The timing belt can be inspected by removing the upper front outer timing belt cover.
Working on any engine (especially overhead camshaft engines) requires much care be given to valve timing. It is good practice to set the engine up at TDC No. 1 cylinder firing position before beginning work. Verify that all timing marks on the crankshaft and camshaft sprockets are properly aligned before removing the timing belt and starting camshaft service. This serves as a point of reference for all work that follows. Valve timing is very important and engine damage will result if the work is incorrect.
  1. Disconnect the negative battery cable.
  2. Remove the accessory drive belts. Remove the engine mount insulator from the engine support bracket.
  3. Remove the engine support bracket. Remove the crankshaft pulleys and torsional damper. Remove the timing belt covers.
  4. Rotate the crankshaft until the sprocket timing marks are aligned. The crankshaft sprocket timing mark should align with the oil pump timing mark. The rear camshaft sprocket timing mark should align with the generator bracket timing mark and the front camshaft sprocket timing mark should align with the inner timing belt cover timing mark.
  5. If the belt is to be reused, mark the direction of rotation on the belt for installation reference.
  6. Loosen the timing belt tensioner bolt and remove the timing belt.
  7. If necessary, remove the timing belt tensioner.
  8. Remove the crankshaft sprocket flange shield and crankshaft sprocket.
  9. Hold the camshaft sprocket using spanner tool MB990775, or equivalent, and remove the camshaft sprocket bolt and washer. Remove the camshaft sprocket.
  10. To install:
  11. Install the camshaft sprocket on the camshaft with the retaining bolt and washer. Hold the camshaft sprocket using spanner tool MB990775, or equivalent, and tighten the bolt to 70 ft. lbs. (95 Nm).
  12. Install the crankshaft sprocket.
  13. If removed, install the timing belt tensioner and tensioner spring. Hook the spring upper end to the water pump pin and the lower end to the tensioner bracket with the hook out.
  14. Turn the timing belt tensioner counterclockwise full travel in the adjustment slot and tighten the bolt to temporarily hold it in this position.
  15. Rotate the crankshaft sprocket until its timing mark is aligned with the oil pump timing mark.
  16. Rotate the rear camshaft sprocket until its timing mark is aligned with the timing mark on the generator bracket.
  17. Rotate the front (radiator side) camshaft sprocket until its mark is aligned with the timing mark on the inner timing belt cover.
  18. Install the timing belt on the crankshaft sprocket while keeping the belt tight on the tension side.
  19. Position the timing belt over the front camshaft sprocket (radiator side). Next, position the belt under the water pump pulley, then over the rear camshaft sprocket and finally over the tensioner.
  20. Apply rotating force in the opposite direction to the front camshaft sprocket (radiator side) to create tension on the timing belt tension side. Check that all timing marks are aligned.
  21. Install the crankshaft sprocket flange.
  22. Loosen the tensioner bolt and allow the tensioner spring to tension the belt.
  23. Rotate the crankshaft 2 full turns in a clockwise direction. Turn the crankshaft smoothly and in a clockwise direction only.
  24. Align the timing marks. If all marks are aligned, tighten the tensioner bolt to 250 inch lbs. (28 Nm). Otherwise repeat the installation procedure.
  25. Install the timing belt covers. Install the engine support bracket. Tighten the support bracket mounting bolts to 35 ft. lbs. (47 Nm).
  26. Install the engine mount insulator, torsional damper and crankshaft pulleys. Tighten the crankshaft pulley bolt to 112 ft. lbs. (151 Nm).
  27. Install the accessory drive belts and adjust them to the proper tension.
  28. Reconnect the negative battery cable.
  29. Run the engine and check for proper operation. Road test the vehicle.
Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question

Feb 18, 2010 | 2000 Dodge Caravan

1 Answer

Timing Belt Manual


WARNING Timing belt maintenance is extremely important! The A4 and Passat model utilize an interference-type, non-free-wheeling engine. If the timing belt breaks, the valves in the cylinder head may strike the pistons, causing potentially serious (also time-consuming and expensive) engine damage. The recommended replacement interval for the timing belt is at least every 6 years or 60,000-90,000 miles (96,000-144,000 km), depending on vehicle usage and engine type.
NOTE If removed and reinstalled, the timing belt must be installed in the same rotational direction as removed.

VW Passat & Audi A4 1990-2000 Repair Guide
Timing Belt - REMOVAL & INSTALLATION

WARNING Do NOT turn the engine or camshaft with the timing belt removed. The pistons will contact the valves and cause internal engine damage.


2.0L (9A, ABA) Engines
  1. Disconnect the negative battery cable and remove the accessory drive belts, crankshaft pulley and the timing belt cover(s).
  2. Temporarily reinstall the crankshaft pulley bolt and turn the crankshaft to TDC of No. 1 piston. The mark on the camshaft sprocket should be aligned with the mark on the inner timing belt cover or the edge of the cylinder head.
  3. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing. On 8 valve engines, the notch on the crankshaft pulley should align with the dot on the intermediate shaft sprocket.
  4. Loosen the locknut on the tensioner pulley and turn the tensioner counterclockwise to relieve the tension on the timing belt.
  5. Slide the timing belt from the sprockets
6f72092.jpg

Fig. Adjusting the belt tension on a 2.0L 8 valve

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Fig. Remove the timing belt cover


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Fig. Align the timing marks


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Fig. Locate the tensioner


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Fig. Loosen the tensioner bolt


2b51324.jpg

Fig. Mark the belts direction of rotation


To install:
  1. Check the alignment of the timing marks. On 16-valve engines, the mark on the tooth should align with the mark on the rear belt cover.
  2. Install the new timing belt and tension the belt so it can be twisted 90° at the middle of it's longest section, between the camshaft and intermediate sprockets.
  3. Recheck the alignment of the timing marks and, if correct, turn the engine 2 full revolutions to return to TDC of No. 1 piston. Recheck belt tension and timing marks. Readjust as required. Torque the tensioner nut to 33 ft. lbs. (45 Nm).
  4. Install the belt cover and accessory drive belts.
  5. If the belt is too tight, there will be a growling noise that rises and falls with engine speed.

continue...

Sep 14, 2009 | 1995 Volkswagen Passat

3 Answers

1999 kia sportage timing marks


dfd3ea1.gif Crankshaft match marks


Align marks on timing belt pulley and pump body.

Camshaft pulley alignment marks
9f1c7ef.gif
  1. Align marks on camshaft pulleys with alignment marks on seal plate.
  2. Install timing belt. NOTE: No looseness should exist on the tension side and at the camshaft pulleys.
  3. Loosen tensioner lock bolt.
  4. Turn crankshaft 2 revolutions in direction of rotation and check that timing marks are still in alignment.
  5. Tighten timing belt tension lock bolt to 27-38 ft lb (32-52 Nm).
  6. Apply a force of 22 lbs to timing belt between camshaft sprockets.
  7. Belt deflection should measure 0.30-0.33 in (7.5-8.5 mm)
  8. NOTE: Replace tensioner spring if timing belt deflection is excessive.
Timing Belt Installation


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  1. Install lower timing belt cover.
  2. Install upper timing belt cover.
  3. Install power steering drive belt and adjust belt tension.
  4. Install fan pulley.
  5. Install generator drive belt and adjust belt tension.
  6. Install A/C drive belt and adjust belt tension.
  7. Install splash guard.
  8. Install fan and fan shroud.
  9. Install 4 fan bolts. Tighten to 24 ft lb (33 Nm).
  10. Install fan shroud mounting bolts.
  11. Install fresh air duct.
  12. Connect hose to resonance chamber.
  13. Connect battery negative cable.

Jul 26, 2009 | 1999 Kia Sportage

2 Answers

Looking for cambelt timing marks/ positions please, Twin cam engine Thanks Kevin


these bend valves if belt breaks while running
Align the timing marks on the camshaft gears to the notches on the camshaft cover, using the intake gear mark for the intake gear and the exhaust gear mark for the exhaust gear.
Align the mark on the crankshaft gear with the
notch at the bottom of the rear timing belt cover.

May 12, 2009 | 1999 Daewoo Nubira

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