Kansas City Tdi
& CoolAirVw Repair
2.0L AZG
timing belt
This
car came in overheating and missing badly. Previous customer. We had worked on their transmission before. Customer was very concerned that the engine
was OK, and wanted to be sure it would run right when we were done before we
repaired anything. Mostly the engine was missing because coolant
had soaked the wires and coils. We
replaced the wires and plugs and dried out the coils and it ran fine.
Overheating was an easy
diagnosis since this is what I saw…
What your looking at is the
coolant manifold on the rear of the head.
It has a two places that would hold a Temp sensor, but the 2nd
on is plugged on this model. The middle
of the plug is busted out and you can see it full of antifreeze.
When I pulled it off this is what I
saw. The hole wasn’t broken, it was
melted.
Anyone with some Vw
experience knows why these things overheat.
See the red dot in this pic? This is where light
was passing through the plastic from how thin it had melted.
And of course this is why it was
overheating.
Plastic impeller broke off. Customer had gotten it HOT! Causing the plastic to melt
into globs.
These folks were lucky they didn’t end up
needing a motor after this.
Water pump is driven off the Timing belt,
and this car was overdue for both.
Complete
Timing belt job on this car consists of..
Timing
belt and tensioner.
Metal impeller waterpump.
Cam seal
Cam position sensor
And when you’re done you end
up with a reliable car again, and you don’t have to worry about pistons hitting
valves.
