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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SOUNDS LIKE VALVES WERE HITTING THE PISTONS SEE ANY EYEBROW MARKS ON PISTONS? IF NOT HAVE VALVE JOB DONE ON HEAD

Posted on Aug 18, 2008

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Posted on Jan 02, 2017

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I just replaced the alternator belt on my 96 Isuzu trooper and after tightening everything and starting the engine ,neither the fan nor the alternator will turn unless I do so by hand


did belt fall of first or you took it off. first.???????????????????????????????
no engine size stated 2.8L or 3.1L Usa.
belts vary by engine,
causes.
belt mis-routed,did you make a drawing before starting.oops
or you set the tension wrong? read the book or guess?
or the auto tensionor is bad. (we always check this 1st.

now i read your fsm book on serp belt.
its a serp right>?

"some of the V6 engines are equipped with a serpentine belt and automatic belt tensioner. The tension is maintained by a spring loaded pulley/tensioner. The indicator mark on the moveable portion of the tensioner must be within the limits of the slotted area on the stationary portion of the tensioner. Any reading outside the limits indicates either a defective belt or wrong SIZE belt or bad tensioner."

question 3
did you take old belt and match it side to side
with the old, and are same size.
if not FAIL.
assumes old belt not lost or run to total destruction. (im blind tell me)
q4: did you put a a/c belt on a non a/c cars
see dotted line below, that be 2 type belts.

2ba12d2d-204f-43cb-a418-9fc008566245.jpg

Jan 14, 2016 | Isuzu Cars & Trucks

1 Answer

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

May 02, 2011 | Mazda Millenia Cars & Trucks

2 Answers

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

1 Answer

Fan belt has came off, dru to a pullie seasing up. should i fix it or change the engine?


depending on which pulley seized up. is it the very bottom pulley? will the engine turn or crank over? if it's the very bottom pulley,the engine may have locked up. if it's another pulley,the engine is salvageable.only replace the belt. if it is the bottom pulley at the very bottom of your engine,that is the crankshaft pulley. usually they do not lock unless the engine oil is run dry completely and then you will hear a very loud knocking from the engine. so i would replace the belt,but the device that the belt operates will need replacing also. it may be altenator,power steering pump, or the a/c unit locked up. unless you can be more specific on which pulley it is.thank you for choosing fixya.com we are here to assist you!

Jan 12, 2011 | 2006 Fiat Strada

1 Answer

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.

Nov 04, 2010 | 1999 Saab 9-5

3 Answers

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

Jun 29, 2009 | 2000 Jeep Cherokee

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

Dec 10, 2008 | 1998 Chevrolet Malibu

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.

Sep 25, 2008 | 2003 Toyota ECHO

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