Question about 2003 Volkswagen Jetta TDI

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Need engine help please

Need help engine locked up took off serp belt all pulleys spin except crank. engine turns about a quarter turn then locks pulled oil pan all looks good took off timing belt cam spins and all lifters look good then pulled head intake was clogged with carbon head now off carbon chunks on pistons but spins free now Whats the fix

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Posted on Aug 18, 2008


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1 Answer


if it appears to be it probably is if it run out of oil. pit a breaker bar and socket on the crank pulley bolt and see if it turns at all

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None of my pulleys will turn on my jeep Cherokee larado

with the belt on or off? If when off, anything not turning means the bearings are probably frozen. The units would need replacement. Its a coincidence that all are not turning at the same time. CHECK CRANK & CAMS WITHOUT THE BELT. IF THOSE ARE N/G YOUR STARTING TO LOOK AT A MOTOR REPLACE OR SERIOUS REPAIR.

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I have a 2001 mazda millenia ran low on oil stopped running now wont crank over is there a low oil cut off that is stopping the engine from cranking over or is it hydro locked pulled the front 3 plugs the...

You took out three plugs take the other one out also,take all the plugs out grab a drive belt and see ,if the engine can turn the engine you should use a socket and the main pulley,but this is good enough smell the oil also smell unusal more likey you lock the engine

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1995 Isuzu 5500 box truck 6 cyl diesel. truck overheated and water&coolant ended up in the oil pan and the motor ended up locking down. Can only spin fly wheel 1/2 to 3/4 revolution besides changing...

The connecting rods are probably frozen to the crank from overheating or the bearings are frozen. Pull the oil pan off and inspect the connecting rod bearings for a blueish coloring which is a sign they overheated. If they are you'll need to replace them all and have the crank and connecting rods turned.

Mar 01, 2011 | Isuzu Pickup Cars & Trucks

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I was driving my 1999 Saab 9-5 today, it was raining, right after going through a puddle, my power steering stopped working, the battery light came on, so I pulled into a gas station, turned the engine...

LOL, nooooooo. You didn't hurt anything. In fact, you identified a problem by going through that puddle. You need a new serpentine belt and/or tensioner pulley. It sounds like the spring in your tensioner pulley may be worn, and not pulling your serpentine belt tight enough. Now, THAT being said, there MAY be yet another issue going on. While I don't doubt for a minute that you need 1) a new serp. belt, 2) a new tensioner pulley, and 3) a can of belt dressing, you may also want to check (while the old serp belt is off during the changing) that all your pulleys are spinning freely. Especially your AC compressor pulley. If your AC is low on refridgerant, it can lock up the pulley. The serp belt drives your power steering pump, your alternator, your AC pump, water pump, etc. If one pulley siezes up, the tensioner is weak, and the belt gets wet, NOTHING will turn. Hence the dead battery (alternator not turning), no power steering (pump not turning), and more importantly no coolant circulation (water pump not turning), which can cause serious overheating problems.

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I have to replace timing tentioner pully on a 2002 land rover freelander. before i remove the tension, i need to lock the cams. how do i go about this in order.

If it's the kv6 engine then see my video of the job on an mgzs which has the same engine, so the same job. No special tools required! Cheap if DIY.

Jan 21, 2010 | 2002 Land Rover Freelander

1 Answer

Serp. belt off alignment

Did you replace the belt? You mentioned the pulleys, but not the belt. If the belt is new, check the grooves on the pulley that appears to be a problem and make sure there is no residue stuck in the grooves. Also, make sure you can't wiggle the pulley that is giving the problem. It is possible for a belt to cause some damage when it comes apart.

Jul 06, 2009 | 2001 Honda Passport

2 Answers

When i start the car, making loud squeaking sounds

do not add oil to belts. remove belt and spin all pulleys (except crankshaft pulley) any pulley does not turn freely (except crankshaft pulley) is where you will find your problem

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1 Answer

No diagram

These instructions are for the 3.1 L engine with serpentine belt. To change the belt, you need to remove the engine mount first. But before you do that, you must support the engine so it won't tilt after you remove the engine mount bolts. You would also need at least one helper. Here's step by step: 1. Use a jack and a long enough wooden block to cover the oil pan. Larger block will distribute the forces better. Don't use only a jack or a small block, it might crack the oil pan. Note: normally, you shouldn't lift engine by the oil pan, you should use an engine hoist, but carefully support with wooden block works. 2. Slowly raise the jack to support the engine. 3. Unscrew (Counter Clock Wise) the 2 bolts and 2 nuts of the engine mount. It's on the passenger side right next to the serpentine belt. 4. Loosen the tensioner bolt, and remove the old belt. You may have to raise the engine a bit to get a big enough gap to slide the belt through. 5. Put in the new belt and route it according to the diagram, you may have to leave it off one of the pulley because the tensioner is so tight. Don't worry, you'll slide it on later. 6. Put tighten the tensioner back on. Make sure the round metal pin goes in the appropriate slot. 7. Here's the hard part, putting the belt entirely on the pulleys. You have to either: a) Put a 3/8" ratchet in to the slot near the tension pulley that says "LIFT" and pull really hard to compress the spring, while putting the belt on the one of the pulley. Unless you are Arnold, you will need help. b) Pull a rope behind the tension pulley arm and pull while pushing with your left arm on the pulley arm to compress the spring; then get another person to hook the belt on one of the pulleys. 8. Put the engine mount back on. 9. Test run the engine to make sure you didn't mess up. Turn on accessories like A/C. If the temperature goes way up, you messed up. The water pump might be spinning the wrong way. Note: If you don't have a good floor jack, you can jack up the car, place a support under the oil pan, then slowly lower the car until the engine is supported. In this case, jack-stands or blocks under the frame are a good idea to avoid lowering too far

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1 Answer

Toyota Echo 2002 A.C. and Serp Belt

Plug the connector back in & pull the AC fuse. You probably have the beginnings of a "locked up" compressor. The pulley will turn if the engine and the AC is off. When the compresser clutch is engaged, and the compressor is locking up, it will overheat & snap the serp belt.

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