Question about 2003 Audi A4

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Replace hydraulic cam audi a4 alt eng 2.olt 2003 model

Camshaft is out of head

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Explain what you mean by 'hydraulic cam'?
What engine? 2003 came with 1.8T or 3.0 (at least in US).

Posted on Jan 02, 2017


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Posted on Jan 02, 2017

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SOURCE: audi a4 front lights

if you mean the complete light you will have to remove front bumper then you will get to the bottom bolts that hold the headlamp in.....

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SOURCE: Replace window switches on Audi A4 2003 cabrio


Posted on Mar 02, 2009

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SOURCE: Camshaft position sensor replacement for 2002 Audi A4

its not hard to fix.but you going to have to move some things to get to it. you will need a haynes repair will show you photos and instructions how to replace it.

Posted on Jul 05, 2009

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SOURCE: Audi A4 need to replace rear brake light on audi a4

Inside the boot is a plastic cap embeded in the boot liner. Remove the cap to reveal a screw. Undo the screw and the whole rear light cluster will come away in a sideways and not rearward direction to reveal all of the bulbs. Hope this helps.

Posted on Jul 11, 2009

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SOURCE: Replacing Camshaft Position Sensor Guide audi a4

The camshaft position sensor is located behind timing belt cover in front of engine.Remove cover, sensor is visable in top right hand corner.Unplug, remove 2 10mm bolts.Reinstall,plug back up,reinstall cover,crank engine.

Posted on Sep 13, 2009

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Have the cylinder head 'skimmed".
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Jul 31, 2016 | 1996 Audi A4

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Check your fuel injector.

Dec 12, 2013 | 2003 Audi A4 3.0

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Camshaft position sensor bank 1

Bank one is passenger side cylinder bank.
Cam sensor should be at front of cylinder head.

Nov 08, 2013 | 2002 Audi A4

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Audi a4 1.8 can't start after top was overhauled is making a weird sound like backfiring the engine dont even move please help camshaft marks was done as well as pulleys and the pistons was also put on...

Back fire is only caused by intake valve being open when a spark plug fires on a cold engine.
Recheck timing marks of cams where the drive sprocket notch of each cam shaft aligns with the cam cap mark at the rear of the head.

It has been known for the crank sprocket to come loose on the crank nose and timing will be off if this is so.

Oct 23, 2013 | 2004 Audi A4

1 Answer

How do i set camshafts on 1999 duvil northstar

Remove camshaft covrs
Remove front cover
Remove or fully retract all three timing chain tensioners
Remove oil pump
Primary and secondary chain guides should remain in place. Rotate crankshaft until sprocket drive key is at about 1 o'clock position.
Set crankshaft and intermediate shaft sprockets into primary drive chain with their timing marks asjacent to each other.
Install crankshaft and intermediate sprockets over their respective shafts. Rotating crankshaft as necessary to engage crankshaft key in sprocket without changing the timing mark relationship.
Install Flywheel Holder Tool (J-39411) to lock crankshaft in position. Install intermediate shaft sprocket retaining bolt and torque to specifications.
Route secondary chain for left cylinder head over inner row of intermediate shaft teeth.
Route secondary drive chain over chain guide, and install exhaust cam sprocket to chain so camshaft drive pin engages the sprocket notch marked "LE" (Left Exhaust).
There dhould be no slack in the lower section of the chain, and the camshaft drive pin must be perpendicular (90 degrees) to the cylinder head surface.
Install the intake camshaft sprocket into the chain so the sprocket notch marked "LI" (Left Intake) engages camshaft drive pin, while drive pin remains perpendicular to the head face. Minor adjustments can be made to camshaft position to get pin to engage by using a wrench on the hex cast into the camshaft.
Install sprocket retainer bolts and torque to specification.
Repet steps as above to install the right secondary chain to the right camshafts. The right camshaft sprockets are marked "RE" and "RI". In addition, the RE sprocket must contain the camshaft position sensor pickup.

May 27, 2012 | 2000 Cadillac DeVille

1 Answer

Need to remove cilinderhead from a chevrolet trailblazer 2003

below are the instruction you well need to remove head .....good luck Removal Procedure
  1. Remove the air cleaner element.
  2. Remove the air cleaner outlet resonator. .
  3. Remove the powertrain control module (PCM) and engine wire harness bracket and related hoses and connections.
  4. Remove the generator.
  5. Remove the intake manifold.
  6. Remove the exhaust manifold. Do not remove the exhaust pipe from the manifold. Only have the manifold pushed off to the side of the engine.
  7. Position the A/C line out of the way towards the front of the vehicle.
  8. Disconnect the following cross-vehicle engine wiring harness connectors:
  9. • Engine coolant temperature sensor • Manifold absolute pressure (MAP) sensor • Ignition coils • Harness clamps at power steering pump • Wiring harness fastener at the right front inner fender • Throttle body • Camshaft sensors • Camshaft actuators • Fuel rail • Heated oxygen sensor (HO2S)
  10. Set aside the cross-vehicle engine wiring harness on the left side of the vehicle.
  11. Remove the camshaft cover.
  12. Partially drain the cooling system.

  13. Before performing one of the top dead center (TDC) procedures, break loose both the exhaust and intake camshaft sprocket bolts. Use a 25 mm (1 in) open end wrench on the camshaft hexes to hold the camshaft from turning. DO NOT remove the bolts.
  14. Perform one of the following methods for the service timing procedure.
  15. First Method--Rotate the engine clockwise by hand to TDC on the compression stroke by using a piston TDC indicator tool and/or dial indicator in the number 1 cylinder.
  16. First Method (continued)--The TDC indicator tool graduation marks on the shaft should note top of the piston stroke.
  17. First Method (continued)--When the piston is at TDC, the flats at the rear of the camshafts will be facing up and level when using a straight edge across the camshaft flats.
  18. Second Method--Rotate the crankshaft in the engine rotational direction clockwise until the number 1 piston is at TDC on the compression stroke. The word Delphi on the exhaust camshaft position actuator will be parallel with the cylinder head to cam cover mating surface. When the piston is at TDC, the flats at the rear of the camshafts will be facing up and level when using a straight edge across the camshaft flats. A 0.005 inch feeler gauge should not slide under the straight edge (1).
  19. Use a white paint pen or equivalent to place a reference mark on the harmonic balancer to the front cover for alignment purposes.
  20. Lower the vehicle.
  21. Important: If the timing is correct (TDC compression stroke number 1 cylinder), the camshaft flats will be in the up position.
    Install J 44221 to the back of the camshafts.
  22. Remove the upper timing chain guide to the cylinder head.
  23. Clean the timing chain and gears with brake cleaner or suitable solvent. Use a white paint pen or equivalent to place a reference mark on both timing gear sprockets and the timing chain to mark location prior to disassembly. It is recommended that the paint marks be in the 12 o'clock position.

  24. Install EN-48464 . It is important to install the tool with the proper orientation and to ensure that it is seated square against the timing chain and against the timing cover center bolt.

  25. The narrow ramp of the wedge tool needs to be placed so that it faces the timing chain.
  26. The wedge tool should be lightly seated using a couple of very light taps with a small plastic or brass hammer. The wedge tool will be fully seated against the tensioner after it moves about 25 mm (1 in).
  27. Once the tool is correctly installed, unscrew the handle and remove the handle

  28. Remove both upper cylinder head access hole plugs from the front of the cylinder head.
  29. Remove the 1 long and 2 short cylinder head bolts next to the exhaust and intake timing chain tensioner shoes and discard the bolts.
  30. Remove both upper timing chain tensioner shoe bolts.
  31. Remove the exhaust and the intake camshaft sprocket bolts. Discard the bolts.

  32. Carefully remove the exhaust and intake camshaft sprockets with the timing chain from the exhaust and intake camshafts. The illustration shows the exhaust camshaft sprocket already removed.

  33. Remove the sprockets from the chain, tie a piece of mechanic's wire on the timing chain and let it drop.

  34. Before removing the cylinder head bolts, use a drift punch and hammer to shock the bolts. This will ensure that the cylinder head bolts will not strip out the threads in the engine block or break. If a bolt breaks during engine disassembly, EN-47702 is available to assist in the removal of the remaining bolt segment.
  35. Remove the cylinder head bolts. Discard the bolts.
  36. Remove the cylinder head.
  37. Place the cylinder head on a flat, clean surface with the combustion chambers face up, in order to prevent damage to the deck face.
  38. Remove the cylinder head gasket.
  39. Discard the gasket.
  40. Remove all remaining gasket material from the engine block.
  41. Inspect the cylinder head gasket mating surface on the engine block.
  42. Clean and inspect the cylinder head.
  43. Disassemble the cylinder head if necessary.

May 23, 2011 | Chevrolet TrailBlazer Cars & Trucks

2 Answers

I was told I need to replace audi a4 camshaft 1.9 diesel. The car only has a lil ove 100000 mi. Is this possible. The symtoms are no acceleration, loads of blu smoke and an the engine is shaking like a...

My Golf GTTDI had the exact symptoms your describing a week ago. knocking/shaking, lots of smoke, lack of power. the Hydraulic lifters had stopped working and the camshaft/followers had become mis-shapen. Had the lifters&cam replaced and runs like a dream now....

Dec 13, 2010 | 2002 Audi A4

1 Answer


I bought one with the same problem, the mechanic chaged: camshaft sensor (it was ok), the coil pack (was ok too), the pcmodule( ok too) the arness (ok) and did not start. I checked timing belt and was ok. but wen I did the compresion test , every cilynder was too low ( 10 30 an 0), my firsth idea was head gasket replecement,and wen was remooving the camshaft sprocket Bingo: the small pin was broken (that means that the camshaft sprocket was not align in time) Had to chage the head an the camshaft both in terrible shape. bad lobes and cam bearings worn out. wen I crancked it start at the first time. PD. the head wasnt craked, the head gasket was good too and the valves ok .

Nov 27, 2010 | 1998 Dodge Neon

1 Answer

I need to find the camshaft position sensor on my 2003 nissan murano

Camshaft Position Sensors are located on the cylinder head according to the following: Camshaft, Bearings & Lifters Removal & Installation To Remove:
  1. Remove the engine from the vehicle.
  2. Remove the front suspension member, transaxle and transfer case (if equipped) from the engine.
  3. Mount the engine in a suitable engine stand.
  4. Remove the timing chains and rear timing chain case.
  5. Remove the camshaft position sensors from the cylinder heads.
  6. Remove the intake valve timing control solenoid valves. NOTE: Mark the camshafts, camshaft brackets, and bolts so they are placed in the original locations during installation.
  7. Loosen the camshaft bracket bolts in several steps using the order shown.
  8. Remove the intake and exhaust camshaft brackets and the camshafts. Camshaft bracket bolt removal sequence nissan-03-35-4624.gif

  9. Remove the valve lifters and the secondary timing chain tensioner with stopper pin attached if necessary.
NOTE: Stopper pin was installed when the secondary timing chain was removed.
To Install:
NOTE: Clean sealant from front camshaft bracket, bolts and bolt holes.
  1. Turn the crankshaft until No.1 piston is at TDC on the compression stroke. The crankshaft key should line up with the right bank center line as shown. Crankshaft keyway position nissan-03-35-4625.gif

  2. If removed, install the secondary timing chain tensioners and valve lifters in their original positions. NOTE: The intake camshaft has a drill mark on the edge of the sprocket mounting flange.
  3. Position the camshafts on the cylinder heads with the dowel pins as shown. Camshaft dowel pin positions nissan-03-35-4626.gif

  4. Apply silicone sealant to the front (No. 1) camshaft bracket as shown. Apply silicone sealant to the front (No. 1) camshaft bracket nissan-03-35-4627.gif

    Camshaft bracket bolt installation sequence nissan-03-35-4628.gif

  5. Install and tighten the camshaft brackets using the following steps in the sequence shown;
    • Step 1 (bolts 7 - 10) : 1 ft-lb (2 Nm)
    • Step 2 (bolts 1 - 6) : 1 ft-lb (2 Nm)
    • Step 3 (bolts 1 - 10): 4 ft-lbs (5.9 Nm)
    • Step 4 (bolts 1 - 6) : 8 ft-lbs (10.4 Nm)
    • Step 4 (bolts 7 - 10) : 7 ft-lbs (9.3 Nm)
  6. Wipe off excess sealant from bracket No. 1.
  7. Measure the difference between the front surfaces of camshaft bracket No. 1 and the cylinder head. The specification is -0.0055 to 0.0055 in (-0.14 to 0.14 mm). Replace the camshaft and camshaft bracket if out of specification. Measure the difference between the front surfaces of camshaft bracket No. 1 and the cylinder head nissan-03-35-4629.gif

  8. Install the IVT control solenoid valves with new gaskets.
  9. If removed, install the camshaft position sensor.
  10. Install the rear timing chain case and timing chains.
  11. Install the engine in the vehicle.
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Jul 03, 2010 | 2003 Nissan Murano

1 Answer

2003 Audi A4 runs rough at idle

Check for vacuum leaks on intake hoses/ manifold. Check for broken crank case breather pipe near joint with intake pipe. If the cylinder head has been worked on, check fault memory of engine control unit. If it picks up a fault [camshaft- crankshaft incorrect correlation] then the cam-chain timing will have been set incorrectly.

Jun 12, 2010 | 2004 Audi A4

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