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VW B5 Passat TDIs This is a general discussion about B5 Passat(>98 (2004-2005 in North America)). Non TDI related postings will be moved or removed.

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Old December 4th, 2018, 20:35   #1
rotarykid
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Thumbs up proud new owner of a one owner 04 Passat TDI

picked up a one owner 04 Passat GLS TDI-PD, that I have been part of its life since it was purchased new in colorado in July 04.....


I have a few questions about what I should do, the best way to do a few things first before I clock a lot of miles???

It has had 505.01 oil in it since day/mile one, had a t-belt kit done in ~2013 with ~15-18k miles ago,......

My question is on what is the best way to do an auto-trans fluid flush. If memory serves there is an antifreeze heat exchanger, not a trans fluid radiator in the radiator. I am used to hooking up to one of the fluid radiator connection while I fill the trans with three times the rated volume as I do on most makes...
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Old December 5th, 2018, 07:43   #2
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if you have access to a flush machine pull the trans cooler lines off the radiator and use them, this process will pull the old fluid from the TC. Otherwise you have to do it from the bottom of the trans, with this method you will never get all the old fluid out
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Old December 6th, 2018, 07:47   #3
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So long as the fluid is always changed on a regular basis i i never worry about flushing the cooler lines or torque converter. I drop pan, put in a new filter, new gasket and refill.

I always use full synethic if available in the spec oil im using and every 30k. So every 6 oil changes. I no longer have a slush box in my passat but the one behind my 7.3 gets the same treatment. 1st tranny went at 300k but that was due to a cheap 2nd or maybe 3rd gear sprag from the factory. The rest of the transmission looked great.
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Old December 6th, 2018, 20:36   #4
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10000 on the oil change,engine is specified. About every 3rd oil change I like to change tranny fluid, since I have no access to a flush machine.
Has your balance shaft been dealt with? Lovely car, treat it well.
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Old December 6th, 2018, 21:33   #5
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The car is approaching 160k miles, no the balance shaft has not been dealt with yet. I know what can of marbles sound like and it is not there yet.
When that sound does become an issue I will deal with it. It has really not been abused, been garaged always since new, always had the right oil,.....
I have a list of things I plan to do to it...
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Old December 7th, 2018, 06:27   #6
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You won't necessarily have any warning, and if you are not familiar with these you won't know what to listen for anyway. It could already have a broken tensioner.

I flush the ATF with a machine, attached to the cooler pipes, 14 liters of Pentosin ATF1 pushed through. Works great.
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Old December 7th, 2018, 08:27   #7
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FWIW, I had a 2004 I bought a few years ago with 200k on it. I know what to listen for on the BSM, This one was quiet as a mouse, but I decided to pull the pan anyway. The tensioner fell apart when I removed the pan.

Of course there is the hex shaft too. Did a delete on one earlier this year with 120k and no oil pressure due to a stripped hex shaft. Chain and tensioners looked great though....
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Old December 7th, 2018, 11:22   #8
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Ok, now that you all have properly got my attention and scared me.....what is the best/quickest way to get a look see in there at the parts in the balance shaft & oil pump drive chain setup ?
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Old December 7th, 2018, 11:30   #9
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Can someone please link me to some images of the old & new design of the BSM setup and the current new replacement parts list? Thanks...
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Old December 7th, 2018, 11:42   #10
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The upgrade thread is in the how-to sticky atop the B5 section. Some people delete them, too.
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Old December 7th, 2018, 12:37   #11
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Thanks for the info
...I just spent a bit of time rereading the initial string describing the discovering of the problem....

I have a question on the idea if there are any reliable ways like oil pressure monitoring to get a sense of where things might be short of the full frontal take apart ?
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Old December 7th, 2018, 12:55   #12
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Several ways.

1. Drop subframe and drop oil pan
2. Remove front end, remove timing belt, remove crank pulley, remove cover behind pulley
3. Drain oil and run boroscope through drain hole

Of course if it has been deleted, the oil pan will hold almost 5 qts. If it still has the chain or geared BSM it only holds 4 qts

As for oil pressure monitoring, it is usually does not give a warning before the shaft finally rounds off to the point that it cannot turn the pump. In other words, it's an all or nothing proposition.

Personally I prefer the delete. It eliminates both known issues with the BSM with a tried and true solution
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Old December 9th, 2018, 16:55   #13
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Fuel Economy: 64 .1city @ 30-60 mph/ 52-53 @ 70-85 mph hyway ( 52 to just under 60 normal around town)on LSD
Question

I have a specific question related to disabling the shift-lock temporarily, or forever like I have been able to do on Toyota & Honda cars of the same or later years.....

All of the other cars with automatic trans (of this era 02-08) I have worked on, driven & owned had a button of some sort that could be put in the depressed position disabling shift-lock until that button is allowed to be not depressed... Is there a button like that on this car? IF so, where is it?

If there is not a button hidden under a knock out of some sort like all other makes of this era that I have had to drive, is there another way to disable the shift-lock permanently until I sell it?

...thanks....
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Old December 10th, 2018, 05:02   #14
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Not sure why you would care to do that, but I would imagine you could pull the solenoid/plunger out of the gear selector mechanism. You'd have to remove the center console to get at it.
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Old December 10th, 2018, 11:44   #15
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I really wish they had just done like everyone else and given us an override button to depress....thanks, I will take the shifter center console apart today or tomorrow to see what the easiest way to disable this thing is...

the reason I want to do this is twice now while I have been sitting at a long light at an intersection with a 55-65 posted speed limit(in colorado roads & highways are posted up 65, in other neighboring states the posted can be 70) I had shifted into "N" waiting for a long light that turned green the thing was locked into place. By the time I figured out what was happening the light was clearing of traffic, pushing back up to 65+ mph....

...I did this (permanently depressed the override button) in the last Honda accord I had so this would not happen....
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