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When do you need to change the timing chain on the nissanhardbody 3 tdi

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Posted on Jan 02, 2017

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SOURCE: oil change and cam belt/timing chain change

support engine. remove coolant reservoir. remove serpentine belt. remove serpentine belt tensioner. remove bolts from mount. carefully raise engine up and move mount out of the way.(hard to explain and this is hard to do you have to have the engine in the perfect position and whatnot) remove the top plastic cover. with 19mm socket rotate engine clockwise until hole in cam lines up with hole in head. insert vw special tool to hold cam. remove the 4 6mm bolts on crank pulley. remove plastic covers. with white paint, mark belt to cam and belt to crank. loosen tensioner. remove belt. transfer marks to new belt. strongly suggest replacing water pump. reinstall t-belt. put the tensioner somewhat tight. rotate the engine fully twice. loosen tensioner bolt and adjust to perfect tension using needle and v-groove on adjuster. install is reverse of removal.

Posted on Mar 25, 2010

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On a dashbord flashing "oil


STOP the engine immediately !!! There is an oil pump failure of 2.0 TDI engines !
Remove the oil pan and the oil pump & balancer shafts assembly.

tdisline_456.jpg


Either the shaft driving the pump from the balance shaft rounds off or the balance shaft drive gears eat themselves.
The same issue ... low oil pressure warning light, noisy rattling engine, and the turbo has gone. Diagnosis: oil pump balancer shaft assembly ...


tdisline_457.jpg

tdisline_458.jpg
tdisline_459.jpg tdisline_460.jpg tdisline_462.jpg tdisline_463.jpg
Many 2.0 TDI engines show excess chain noise and wear anywhere from 50,000-100,000+ miles. Cars have broken the chains/tensioner as low as 65,000 miles. This is just a range of cars that have been reported, diagnosed, and repaired. The actual statistics on dealer repairs or failures is unknown and I've heard cars over 100,000 miles that, in my opinion as a non mechanic (most mechanics wouldn't recognize this sound and problem either), aren't noisy. From what has been reported, noticeable noise/chain-tensioner wear/greater risk of breaking is around 60,000-150,000 miles. Your case may vary. The most obvious symptom is a rattling loose noise from the oil pan. Unless you listen to a Passat TDI with a tight chain and one with a loose chain, it's hard to describe the difference other than rattling chain noise.
The reason the gear drive oil pump modification was started is because a few mechanics who specialize in TDI have seen many worn oil pump chains/sprockets/tensioners. There will always be a few defective parts that come off the assembly line and all mechanical components like chains wear out sooner or later, but in my opinion, the failure rate is abnormal considering the number of Passat TDI sold versus the number of reported oil pump failures. This does not necessarily mean that every or even most Passat TDI will have this problem, just that the reported failure rate is high enough to consider this part a design failure. Nobody, not even VW-Audi knows the average time between failure for these parts and the percentage of cars that will have this problem, but they changed this design and if you want to not have this specific failure, the only sure way is to swap to the geared module.


tdisline_464.jpg

Apr 17, 2011 | Audi A6 Cars & Trucks

1 Answer

Oil warning light on saying oil pressure pump STOP engine Oassat diesel 2.00litre First Reg Nov 2005 mileage 56,5000 approx.On standard servicing schedule not long life


STOP the engine immediately !!! There is an oil pump failure of 2.0 TDI engines !
Remove the oil pan and the oil pump & balancer shafts assembly.

tdisline_448.jpg
Either the shaft driving the pump from the balance shaft rounds off or the balance shaft drive gears eat themselves.
The same issue ... low oil pressure warning light, noisy rattling engine, and the turbo has gone. Diagnosis: oil pump balancer shaft assembly ...


tdisline_449.jpg tdisline_450.jpg tdisline_451.jpg tdisline_452.jpg tdisline_453.jpg
tdisline_454.jpg
Many Passat show excess chain noise and wear anywhere from 50,000-100,000+ miles. Cars have broken the chains/tensioner as low as 65,000 miles. This is just a range of cars that have been reported, diagnosed, and repaired. The actual statistics on dealer repairs or failures is unknown and I've heard cars over 100,000 miles that, in my opinion as a non mechanic (most mechanics wouldn't recognize this sound and problem either), aren't noisy. From what has been reported, noticeable noise/chain-tensioner wear/greater risk of breaking is around 60,000-150,000 miles. Your case may vary. The most obvious symptom is a rattling loose noise from the oil pan. Unless you listen to a Passat TDI with a tight chain and one with a loose chain, it's hard to describe the difference other than rattling chain noise.
The reason the gear drive oil pump modification was started is because a few mechanics who specialize in TDI have seen many worn oil pump chains/sprockets/tensioners. There will always be a few defective parts that come off the assembly line and all mechanical components like chains wear out sooner or later, but in my opinion, the failure rate is abnormal considering the number of Passat TDI sold versus the number of reported oil pump failures. This does not necessarily mean that every or even most Passat TDI will have this problem, just that the reported failure rate is high enough to consider this part a design failure. Nobody, not even VW-Audi knows the average time between failure for these parts and the percentage of cars that will have this problem, but they changed this design and if you want to not have this specific failure, the only sure way is to swap to the geared module.

tdisline_455.jpg

Apr 15, 2011 | 2006 Volkswagen Passat

1 Answer

TIMING CHAINS NEED REPLACING


VW jetta has BELT,and should be change at 60k MAX.not "when showing signs if wear"as per the workshop manual.change the tensioner at the same time.

Nov 09, 2010 | 2003 Volkswagen Jetta TDI

1 Answer

Hi.seat ibiza 1.2 3 cylinder 2002 when touching the throttle at about 40mph car is jerking, i have changed coil packs and plugs, can you help please? also cleaned egr valve and checked pipes.


there is a problem with the timing chain tensioner on these models, which causes poor driveability, normally the engine management lamp would be illuminated too

Jun 09, 2010 | 2002 Volkswagen Jetta TDI

1 Answer

Timing chain failure on a 2007 vw tourage is this


need to know if you changed the belt it self before someone can help you with your question.

Ps: it may be because of an accident but i dont think so

Mar 06, 2010 | 2007 Volkswagen Touareg V10 TDI

1 Answer

I have a 2000 VW Jetta TDI. I was making 50 mpg and then all of a sudden it dropped immediately to 40mpg. From one tank fill to the next. What are the possible causes? It has ~140,000 miles. The check...


Run it for a tank or two for a more accurate MPG.

Could be something external, like a change in fuel at the station you filled up at last. Here in NJ if I get 2-3 mpg more by going to a locally owned chain of Citgo's then if I go to a no-name station. I later found that the chain was putting a few goodies in to raise lubricity and centane.

Could be low tires due to a cold snap, hanging brake, temp sensor going out, MAF good but changed value, vac leak, low boost for a variety of reasons, another sensor, gremlins.......

Dec 24, 2009 | 2000 Volkswagen Jetta TDI

1 Answer

I am looking for the cylinder sequence (passenger side to driver side...) for a 2007 jetta 2.5???


This is a 5 cylinder engine. From passenger side to driver it is cylinder 5-4-3-2-1. The timing chain is on the transmission side so the sequence is opposite common engines. The firing order is 1-2-4-5-3.

Aug 08, 2009 | 2002 Volkswagen Jetta TDI

2 Answers

Timing marks


Autozone.com has free repair info. They gave a great decription of the 3 timing chains and marks for my 2001 V6 2.5L engine. The motor ran perfect with their help.

May 27, 2009 | 2001 Suzuki Grand Vitara

1 Answer

Volvo 1999 v70 tdi just stopped!


check for a failed camshaft timing belt or chain especially if the mileage exceeds 60,000miles and the items have not been changed

Oct 21, 2017 | 1998 Volvo V70

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