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VW 2.0 turbo engine question OT (long)

TJ in KY

TJ in KY

Member
I am trying to gather some information on a problem my daughter is having with their VW Passat .
She has a 2013 VW Passat TDI 2.0 turbo about 95,000 miles. They had just had the water pump replaced and dealer recommended replacing the timing belt. I believe they also replaced the idler pully but I am not quite sure of that.
Her husband was driving it at about 75mph when the timing belt broke. They had it hauled back to the dealer that did the work and they are telling her that they think the idler pully failed. They will order the parts to fix it and when they come in they will pull the head and see if any thing else needs fixed.
My question is what is the likely damage to the engine from this failure at 75MPH. IS it an interference fit engine.
They have only had the car for about 6 months and got the extended warranty and were told that VW issued extended warranty on that engine as it was part of their emissions mess a few years ago.
Just trying to get information so that they get it repaired correctly or engine replaced if necessary.
 
At the very least. My SIL had the timing belt break on an interference engine. Bent valves, broke valve train pieces and cracked a piston.
 
Get out the wallet, it's gonna get expensive. VWs eat the valves when the belt goes. Their extended warranty is not going to cover it because the belt is a maintenance item, that was ignored. VW, a great car for the first owner, not so much for the second.
 
(quoted from post at 11:58:20 09/04/20) Get out the wallet, it's gonna get expensive. VWs eat the valves when the belt goes. Their extended warranty is not going to cover it because the belt is a maintenance item, that was ignored. VW, a great car for the first owner, not so much for the second.
Click to expand...
e said it has a new belt.
 
Well, I guess I read that as they
recommended it, I suppose it is inferred
that it was done. If the belt was
replaced, it's the shops problem. On VW
engines, everything with a bearing under
the timing cover should be replaced when
the belt is replaced. I won't touch them
otherwise, too much liability.
 
yup, similar issue with Subarus..
timing belts have a mileage AND an age related change interval..
the owners manual should have that information.

if the belt was changed as recommended, it is on the shop.
if it was not done as recommended, it is on the owner and yeah, can get expensive very quickly.
 
I would believe the dealer's insurance should handle these costs, not the extended warranty.
 
The dealership has most likely ordered a new head. If it were me, I would insist on looking at the pistons when they pull the old head off.

I can't imagine that they will be pretty looking. If they are dinged up they need replaced too. I would not want the same mechanic that possibly screwed something up on the timing belt change to attempt replacing the pistons.

I've driven VW diesels since 1987. I change my own timing belts. It is never wise to put a new timing belt on without a new idler. (If that happened) I can't imagine a dealer not putting a new idler on.

I know everybody has bad days, but it might be time to look for another mechanic.

I doubt I'd keep the car unless VW puts a new engine in it. Good luck in dealing with this issue!
 
I do a lot of VW/Audi work. I'm pretty sure (not 100% certain without looking up the make and model)) that that is a chain motor. The water pump sits under the intake manifold driven by a small toothed belt. If that's the case the water pump has nothing to do with any timing components.
 
(quoted from post at 12:09:35 09/04/20) I do a lot of VW/Audi work. I'm pretty sure (not 100% certain without looking up the make and model)) that that is a chain motor. The water pump sits under the intake manifold driven by a small toothed belt. If that's the case the water pump has nothing to do with any timing components.
Click to expand...

Scratch that, I just realized it's a TDI. Inwas thinking gasser
 
I have a 2000 New Beetle TDI. It is standard procedure to change the idler when changing the timing belt and water pump. Most of the time it is a kit that includes the timing belt and the idler pulley. A loss of the timing belt on a TDI is very, very bad. As stated at minimum you will need a new head all of the pistons need a close inspection also.

OTJ
 
I had about 20000 miles on a new timing belt on a 08 Honda that had a interference engine and I was going almost 80 and the timing belt went brought it back home put a new timing belt on it and it ran fine I was lucky had another one break on a different Honda and it bent the valves the one that broke I bought off the internet was the last time I bought one off the internet
 
Most timing belt engines are interference, especially modern engines. The TDI is definitely an interference engine and they generally destroy the head and valve train, almost 100%. guaranteed. Of all the TB engines I've worked on, the TDI wins for being the most damaging and costly to repair. Often times an event like this on a TDI, means the end of life for the car.

If a component they just replaced failed, they should take care of the consequential damage too, with no questions asked. This shouldn't have anything to do with the aftermarket warranty, unless something else failed and that part is covered by the contract. If I remember correct, the TDI has 1 tensioner/pulley, 3 idler pulleys, and the water pump, running on the timing belt.
 
If they said okay to all the suggested repairs and did not replaced the timing belt idler pully, then I think the dealer is on the hook. When I do timing belts, I only buy Gates belt timing kits if available because they come with all timing components. Did they suggest all timing components? They are designed to wear evenly together. We don't do individual pieces anymore. There's a reason they want to pull the head. They know there is damage, they just don't know the extent of the damage. Request to see the failed part.
 
I will follow up when I get new information. I imagine it will be at least several weeks. Thanks for all your responses.
 
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