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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2 Answers

I have a 1998 Ford Taurus, the A/C Compressor locked up. I want to run a belt bypassing the compressor. What size and length would I need?


parts supplier may have a listing for a ford focus serp belt without air conditioning

you do have to remove the compressor

Mar 22, 2017 | Ford Cars & Trucks

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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.

Feb 17, 2017 | Jeep Grand Cherokee Cars & Trucks

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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

When the serpentine belt is off the engine starts with the belt motor turns but drags and wont start the motor shakes and acts a miss took the alt.had it checked it was fine so my ? Is why would it start...


You need to check all the pulley's to see if one is not turning freely. If one of the pulley's is locked up that will cause the dragging you mention. If they all spin by hand, they all should.

Sep 25, 2011 | 1989 Oldsmobile Cutlass Ciera

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

1 Answer

Replaced serpintine belt for power steering, alternator and crank shaft but belt still squeels. And appears to be tight. Slack is of 1/4 in..Is there one of these three components froze up. Power steering...


The crank shaft is not froze up if the engine is running. Without knowing how severe the situation is, it is probably best to remove the belt and feel each pulley or drive wheel to detect the condition of the bearings. It should be very clear which pulley bearing is loose by "wiggling" the pulleys. One of the pulleys will have a lot of play in the bearing. Also the pulley with the bad bearing will be hard to turn by hand with the belt off. Be sure to check every pulley on that belt circuit, except the crank shaft, you can't turn it by hand.

Sep 12, 2010 | 1998 Mitsubishi Eclipse

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

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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