Hello, I'm Brandon - VW tech.
This job does require to remove the manifold.
The tech will need to do the following:
– Drain the coolant.
– Remove the intake manifold.
– Install the guide tube for the oil dipstick into the cylinder block again and secure it tightly so that no escaping coolant can run into the engine.
– Place a suitable container under the coolant thermostat housing to catch coolant flowing out.
Just to get to the thermostat
Then they will need to fill up the coolant and bleed the system.
According to VW it take 1.7 hours on the book to complete this job. The part is about $50. This job is quite extensive.
Please rate me positive for the prompt service, thank you and have a Happy New year!