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Discussion Starter #1
soo i aquired a new vehicle last weekend, seeing as my 97 passat has a knock. needed an efficient car for school because gas was killing me at 160 a week, 600 miles a week. you cant beat the tdi's, or not the straight diesels. the price was right with 124550 miles. second owner, parked every winter, a tiny shred or rust under a whiper arm, paint is beautiful, 2 sets of wheels. paid 1500 for it and have no regrets. started going through it to see what it needs and make it reliable, or more than it already is. i noticed a steel coolant line that appears to come from a rubber line going through the firewall into the heater core. this line is severely rusted and flaking hardcore. there was a bend in it that i think gave out in the past and it was fixed by a shitty cut piece of rubber hose and few hose clamps. i would like to replace this ASAP and was wondering if there are any pictures of this line with maybe a part number? it follows the side of the motor, on the drivers side, snakes down and is sort of pinched or flattened out right next to the oil filter, and looks like it goes directly into the water pump. any input would be great. i was also wondering if there are any other good wear compnents that would be due for replacement at this time. it came with all the origional manuals and service records which were performed at local vw dealers in mass and r.i. so the car was well take care of. 4 yeasrs after being purchased the recorded miles at the scheduled maint. was just under 30K. i figured a fresh fuel filter, oil change, air filter, and possible a cabin airfilter, but it is unknown to me if a vehicle this year even has one. i located a complete, 2 axle brake kit with rotors drums pads shoes and hardware from vwpartsplace.com fairly cheap so im doing the entire brake system over. anything else that i missed? thankyou, justin.
 

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I also get nothing for that address.

I don't know much about the IDI but a family member used to have one until the body rotted away.

I can't believe it has only 124,000 miles! I do know they use a timing belt. A common problem on the older engines was a walking crankshaft sprocket - the keyway wears until the crankshaft sprocket spins and causes the timing belt to slip resulting in piston-valve contact. From what I know, they have to remove and machine the crank to use a TDI crankshaft sprocket. http://www.vwdiesel.net/forum/ is a good site specific for older VW diesels where they may able to fill you in. I am not 100% sure if that specific problem applies to that year/engine but I think it does.
 

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:( is it not worth repairing the Passat? The hose could just be a connector between 2 oem hoses. The older Jettas didn't have a cabin filter.
 

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Discussion Starter #5
yah i tried to fix it, i replaced both the hard steel pressure line and a braided steel return line. topped it off with oil and the first time i started it, it ran fine, and about 2 minutes later it developed a knock. i cant determine if its rod knock or if the sound is comming from the injector pump. is it possible for these pumps to burn out or something and have an internal component knock? its a pretty heavy knock-knock-knock, if you accelerate it somewhat goes away and eventually comes back. i dont even know if you could determine the sound with one of those snapon hearing probes, we have those at my school but the diesel naturally has that sound already. plus its a 50mile drive one way and i wouldent wana crucify my poor tdi. thanks, justin
 

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Injection pumps can knock if they are bad.

Looking at some of the pictures of timing belt rollers I see "INA "which is an OEM manufacturer of timing belt parts. I can't see the marking on the timing belt but it looks like it could be a "continental". They are also an OEM supplier.
 

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Discussion Starter #8
is there anyway you can test and see if the injection pump and figure out if its bad or not?
 
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