1.9L TDI: Inspect Condition & Risks (150k miles)

Hi,
Is it possible to have a motor (VW TDI 1.9 110HP, manufactured in 1999, with 150,000 km) checked to determine if it's about to fail or if it's actually in good condition?
Inquiries to workshops yielded responses such as:
'No, there's nothing to verify there.'
'If it's not covered in oil and the timing belt has been replaced, then it's okay.'
And so on.
Upon my inquiry about whether a compression test could be performed, I received a response along the lines of, 'Yes, that can be done, but it's impossible to predict what the condition will be in 5,000 km.'

Can these types of engines really not be checked or inspected?

Is 150,000 km a lot for the engine? I'd like to drive it for about 10 years, with approximately 20,000 km per year, so up to around 350,000 to 400,000 km.

What kind of repairs might the engine require in the near future (e.g., turbocharger replacement, cylinder head repair, piston seizure), and what would those repairs approximately cost?
Or in which price range would a replacement engine likely be?

I actually think the Galaxy is quite okay, although the interior doesn't look very well-maintained. The previous owners just used it a lot.

It would be very kind if you could respond to my questions.
Best regards,
Roland.

Take a look at this! /viewtopic.php?t=3093

Hi,
Thank you for the link!

Does anyone else remember anything about the 150,000 km mark?
Are there any parts that typically need to be replaced between 150,000 km and 300,000 km (like head gaskets, fuel injectors, or turbo components), or are those more likely to be isolated issues, and does the engine generally last well beyond 350,000 km?
Best regards, Roland.

Hi RoBro,

You probably won't reach 350,000 km without replacing some parts. Specifically for the Galaxy, the brakes are undersized, which leads to a shorter lifespan. I assume the engine is the AFN model. With a timing belt replacement interval of 90,000 km, it would be due again after 30,000 km – available from VW for a reasonable 500-700 euros. Unfortunately, without more information about the vehicle, it's difficult to say anything definitive about the rest.

Hi Marco,
Thanks for the brake tip.
'But a new set of windshields won't kill me. What would be catastrophic would be the engine/transmission...'
Best regards, Roland.

You will eventually have to deal with new nozzles, but in 99% of cases (excluding the NHG), they won't break down overnight; they tend to wear out gradually.
In addition, you have to expect that the charger might break down for some reason. And then there's the mass airflow sensor (MAF), which you'll also have to replace sooner or later.
Oh yes, there's also a possibility that the catalytic converter could break, which would be expensive to replace.

Of course, something can also go wrong with the engine itself, but that's just as likely as with any other engine. Some people drive half a million kilometers without anything happening, while others have to replace parts after only 50,000 kilometers. It's impossible to make a general statement about it.

Hi,

One could say that a major overhaul should be performed around 200,000 km (or at the timing belt replacement at 180,000 km), during which injectors, mass airflow sensors, and other components prone to long-term wear should be replaced, if they haven't already been replaced beforehand.

What other parts might be included, and what would such a project likely cost (just a rough estimate, not precise to 10 or 20%)?
Regards,
Roland.

Such a power supply is definitely not cheap!

The LMM (mass airflow sensor) can be easily tested to determine if it needs to be replaced (a new one costs 80 EUR for exchange).

You can use test prints to check if the nozzles are clear (the spray pattern may only be partially accurate).
Bosch: Replacing injector nozzles costs 80 EUR per nozzle.

Sometimes (in my experience), people also say that the nozzles have "something" wrong with them.
When I drive with cylinder deactivation, all the cylinders sound the same. However, when fuel injection resumes, an uneven noise occurs because one of the injectors is likely "knocking."

"Have I already spent 400 EUR without earning any money?"

You never just "quickly" replace a turbocharger or cylinder head.

m;

Now, at 235,000 kilometers, I'm also replacing the first set of injectors and the first mass airflow sensor.
The injectors might need to be replaced sometime, but it still runs well for now.