Distribution kit
01-22-2024, 10:53 AM
#2
AudiWorld Super User
What?
01-23-2024, 09:14 AM
#4
AudiWorld Super User
Sorry, I don't know what you mean by "distribution kit". You mention water pump. It's not uncommon to have problems with the leaks of the water pump plate, as well as the thermostat housing. As well as electrical issues with the electrically managed thermostat.
01-23-2024, 09:48 AM
#5
AudiWorld Junior Member
Thread Starter
So
each car have distribution ( on chain or belt) far as I know the belt are change around 120.000 km ( depends) .
I wanna know what type is this . And I need to change the water pomp. On Audi dealer they only recommended to change the oil and gear box oil .
each car have distribution ( on chain or belt) far as I know the belt are change around 120.000 km ( depends) .
I wanna know what type is this . And I need to change the water pomp. On Audi dealer they only recommended to change the oil and gear box oil .
01-23-2024, 10:39 AM
#6
AudiWorld Super User
Timing, not distribution. Timing belt vs timing chain, for the crankshaft to camshaft drive. I don't see anything to imply CYRB is a 12v MHEV version of the EA888 Gen3 engine, but maybe it is.
The EA888 4-cyl engine uses three chains, all driven by the crankshaft sprocket. One drives the cam shafts, the timing chain, the one of most concern. One drives the balance shafts, replace it when you do the timing chain but otherwise it's a general non-concern. Third drives the oil pump, you'll never replace this unless you have the engine apart enough to be replacing the oil pump or such.
You can check the state of the timing chain elongation by looking at the tensioner extension through the inspection hole on the lower timing cover. The CYRB is a Gen3 engine, with VVT on both the intake and exhaust cams (two round magnets on the upper timing cover). The common spec thrown around of camshaft adaptation intake bank 1 less than -5° applies to the Gen1 and Gen2 engines, only VVT on the intake cam. On the Gen3 and Gen4, there is no set measuring value you can just monitor. If you get an error code about timing correlation, you inspect the tensioner.
The EA888 4-cyl engine uses three chains, all driven by the crankshaft sprocket. One drives the cam shafts, the timing chain, the one of most concern. One drives the balance shafts, replace it when you do the timing chain but otherwise it's a general non-concern. Third drives the oil pump, you'll never replace this unless you have the engine apart enough to be replacing the oil pump or such.
You can check the state of the timing chain elongation by looking at the tensioner extension through the inspection hole on the lower timing cover. The CYRB is a Gen3 engine, with VVT on both the intake and exhaust cams (two round magnets on the upper timing cover). The common spec thrown around of camshaft adaptation intake bank 1 less than -5° applies to the Gen1 and Gen2 engines, only VVT on the intake cam. On the Gen3 and Gen4, there is no set measuring value you can just monitor. If you get an error code about timing correlation, you inspect the tensioner.
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01-23-2024, 10:22 PM
#8
AudiWorld Super User
"The EA888 4-cyl engine uses three chains"....
EA113 used in prior A4 generations was a belt. This is not. 2.0 TDI still uses a belt.
EA113 used in prior A4 generations was a belt. This is not. 2.0 TDI still uses a belt.
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