Question about 1997 Volkswagen Passat

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Have a 97 VW Passat VR6, it died one day as the check engine light came on, it would run for a few minutes and then die, running shorter each time. Took it in to the shop and got the fuel pump replaced, which seemed to solve the problem. Car ran fine for the mechanic, and started up fine when I went to take it home. But 2 hours after getting it home, the engine turns over but just won't start at all. Any ideas? (fuel filter & fuel pump are new)

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  • Volkswagen Master
  • 2,294 Answers

You need to check fuel pressure at the fuel rail.if pressure is at spec. Check spark at the plugs. Also replace relay for fuel pump if it isn't working. Could be a bad new fuel pump. Pull the codes first.

Posted on Jun 20, 2017

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Either your battery has just given up the ghost,........ Is it the original, and now 10 yrs old ?
Or your Alternator is not charging enough, to replenish what is used.

Have battery tested first, if OK, then the alternator belt tension, and alternator for correct output charging rate.

If all these shows no faults, your starter is then suspect.

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A FixYa would be nice thanks !....John.

Posted on Feb 23, 2009

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SOURCE: 1980 VW rabbit, manual/fuel injection: I am

it starts from cold because the auto choke is on ,allowing a richer mixture ,try removing the sender unit in the tank and seeing if the connection from the pump to the outlet connection is ok or leaking causing a loss of fuel pressure

Posted on Aug 02, 2009

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Posted on Jan 07, 2010

  • 4102 Answers

SOURCE: I am having troubles locating

hi, here is a guide i have come across on this site written by another expert it should be the one for your engine but always double check.

If you are unsure what you are doing then please go out and buy a haines workshop manual as these tell you every detail you need to know so that would be your best solution.

Please dont do this work if your unsure what you are doing as you could damage the engine beyond repair so you have been warned;

it covers single cam and if you scroll down it shows double cam ok

Sep 14, 2009 - VW Passat & Audi A4 1990-2000 Repair Guide
Timing Belt - REMOVAL & INSTALLATION

2.8L SOHC (AFC) V6 Engine

  1. Note the radio security code and disconnect the negative battery cable.
  2. Place the (hood) lock carrier in the service position. For additional information, please refer to the following topic(s): Body And Trim, Service Position, Front Bumper, Hood Lock Carrier.
  3. Remove the engine accessory drive belt. For additional information, please refer to the following topic(s): General Information And Maintenance, Routing Maintenance And Tune-up.
  4. Turn the engine by hand to Top Dead Center (TDC) on the firing stroke for cylinder No. 1.
NOTE The large holes in the camshaft sprocket lock plates should be on the inside facing one another.
  1. Remove the Crankshaft Position (CKP) sensor from the lower left side of the engine block. Make sure the engine is at TDC and install the threaded crankshaft holding pin Tool No. 3242 and lightly tighten.
  2. Remove the upper timing belt covers, the crankshaft vibration damper and then the lower timing belt cover.
  3. Loosen the camshaft sprocket bolts slightly and use a suitable pulley to release the sprockets from the tapered ends of the camshafts.
  4. Loosen the tensioner roller and remove the drive belt.
To install :
  1. Install the timing belt over the sprockets, then the idler rollers and lastly over the tensioner.
  2. Install camshaft alignment tool holder Tool No. 3243 into the camshaft alignment flanges.
  3. Check and adjust the cam belt tension such that the upper left portion of the belt between the tensioner and the left cam gear can just be twisted 90° ( 1 / 4 turn).
  4. Tighten the cam belt tensioning roller to 33 ft. lbs. (45 Nm), and the camshaft sprocket bolts.
  5. The balance of the installation is in reverse order of removal.

2.8L DOHC 5V (AHA) V6 Engine
  1. Note the radio security code and disconnect the negative battery cable.
  2. Place the (hood) lock carrier in the service position. For additional information, please refer to the following topic(s): Body And Trim, Service Position, Front Bumper, Hood Lock Carrier.
  3. Remove the engine accessory drive belt. For additional information, please refer to the following topic(s): General Information And Maintenance, Routing Maintenance And Tune-up.
  4. Turn the engine by hand to Top Dead Center (TDC) on the firing stroke for cylinder No. 1.
NOTE The large holes in the camshaft sprocket lock plates should be on the inside facing one another.
  1. On the cylinder block near the crankshaft, remove the sealing plug from the lower left side of the engine block. Make sure the engine is at TDC and install the threaded crankshaft holding pin Tool No. 3242 and lightly tighten.
  2. Remove the upper timing belt covers, the crankshaft vibration damper and then the lower timing belt cover.
  3. Loosen the camshaft sprocket bolts slightly and use a suitable pulley to release the sprockets from the tapered ends of the camshafts.
  4. Using a 8mm Allen® wrench, rotate the timing belt tensioner roller clockwise until the tensioner is compressed; then, insert a 2mm spring pin through the tensioner housing and tensioner plunger to secure it in place. When the plunger is secure, release the wrench tension.
  5. Remove the damper-to-crankshaft bolts and the damper.
NOTE It is not necessary to remove the center bolt when removing the crankshaft damper.
  1. Remove the serpentine belt idler and the crankshaft damper guard.
  2. Mark the running direction of the timing belt and remove it from the pulleys.
58637f8.jpg

Fig. Crankshaft pulley alignment location for TDC-Audi 2.8L V6 engines


d58d8c0.jpg

Fig. Left camshaft sprocket alignment position for TDC; right camshaft position is similar-Audi 2.8L V6 engines


934cbaf.jpg

Fig. View of crankshaft holding tool installed-Audi 2.8L V6 engines


9091ff0.jpg

Fig. View of camshaft locator bar installed-Audi 2.8L V6 engines


To install:
  1. Make sure that the camshaft pulleys and the crankshaft pulley are in alignment with TDC of the No. 1 cylinder's compression stroke.
  2. Install the timing belt; make sure the timing belt is installed in the correct running direction from which it was removed.
  3. Using a 8mm Allen® wrench, rotate the timing belt tensioner roller clockwise until the tensioner is compressed; then, remove the 2mm spring pin from the tensioner housing. Slowly, release the tensioner spring pressure to put pressure on the timing belt.
  4. Install the crankshaft damper guard and the serpentine belt idler pulley; torque the idler pulley bolts to 33 ft. lbs. (45 Nm).
  5. Install the crankshaft damper and torque the damper-to-crankshaft bolts to 15 ft. lbs. If the damper-to-crankshaft center bolt was removed, torque it to 147 ft. lbs. (200 Nm) plus 180° 1 / 2 turn).
  6. Remove the Crankshaft Holder tool No. 3242 and install the sealing plug.
  7. Replace the remaining components by reversing the removal procedures.
  8. Refill the cooling system and the automatic transaxle. Connect the electrical connectors. Install the negative battery cable last.
  9. Test drive the vehicle.

Posted on Jan 18, 2010

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