Question about 2003 Volkswagen Jetta TDI

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I seemed to have lost the "turbo" that gets me up the hils where I live. I recently had a timing belt change and get regular maitenance every 10,000K. Also I have had an undiagnosed "shuddering" for the past year since I had new tires (Michelin Harmony) put on. Neither my mechanic, a Volkswagon specialist, nor a tire specialist could figure out the problem. Would you know?

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If it's a TDI, then your intake is probably clogged. If it's a 1.8, then check your turbo hoses to make sure they are all connected. Check Dirverter Valve.

Posted on Jul 11, 2009

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Recently changed timing belt on my 1999 nissan pathfinder but now it seems to have lost power and idles rough, The engine also sounds a little different( noisy), What did i do wrong?


Sounds like the timing has come out. Meaning that the timing has changed its position from what it should have been at. Most likely cause is that the timing belt was not tightened down enough to secure the timing belt. I would recommend not driving it, and re time your vehicle. The best thing to do is get a chiltons or haynes manual to make sure that you are doing the job correctly.

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2004 honda civic sedan since november 2003 40,000 miles and dealer says timing belt needs to be changed live in seattle


Although your milage is very low your belt is do by time.Alot of times i consider the wear of the external belts because the timing belt will wear similar to them and considering the cost of replacing a timing belt as a maitenence compared to a failure I would definitely do it now.

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My car has 26000 on it and is a 2003 turbo s beetle...do i need to change the timing belt?


low mileage but old ?' difficult decision but not insurmountable ,take the cover off the timing belt and have a look ,if cracking apparant at the base of the teeth then change it if no cracking then leave well alone unless you live in a desert type dry climate ,if so then change it regardless as the plasticiser in the belt dries out

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1 Answer

Car smoke white when idle and nothing when driving


Engine also smokes when car driving if turbocharger still faulty. Did you change the engine timing belt (the timing belt kit) meantime? What about engine oil consumption? When engine glow plugs (one or more) burnt then engine exhausts white smoke at idling. Also white smoke at engine idling when water is still present in diesel fuel.

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Hi, I have a 2001 ford f250 diesel. Recently I`ve lost fuel ecomomy (600 km/tank to 400km/tank),and also lost power. The turbo sound has changed and is not as quick to spool. At normal driving turbo...


I had one of our work trucks do something similar. It turned out to be the tube that goes to the charged air cooler was split. This is a large plastic tube that carries the pressurized air from the turbo to the chraged air cooler (it's in front of the radiator) then back to the engine.
Start the engine and have some one hold it at a fast idle and feel around for an air leak on those tubes. Be careful not get your hands in the belt or fan.

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I hope that the timing belt has been replaced or you are living on borrowed time.

Mar 21, 2009 | 2002 Nissan Sentra

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1 Answer

Low power after timing belt replaced


Providing what the dealer said is true then you can disconnect your positive battery cable for 30 minutes. (PLEASE MAKE SURE THAT YOU HAVE YOUR RADIO CODE BEFORE YOU DO THIS) and the computer will lose all its old memory and this should fix your problem. Good Luck

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1 Answer

Loss of power


This sounds like a boost leak, the 12 valves are pretty bullet proof.

Make sure that all the hoses are on (not partially slipped off) between the turbo and the engine. There are 4 hoses which gives 8 places for boost leaks. Look closely, they can be tricky to find. This will usually also cause more black smoke when under load.

If you live in the rust belt, take a look at the intercooler, they can corrode through. A boost gauge connected to the intake plenum of the engine make a real good diagnostic tool for this.

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