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jdodge

jdodge 1/9/2020

2000 Audi A6 Quattro Avant 6 Cyl 2.80L

Engine

2000 audi a6 quattro 2.8l, broken timing belt, damage assesment.

the car was running fine yesterday, i tried to start it this morning and there is no compression, i believe the timing belt broke. since i was not driving when it happened will i still have internal damage or did i get lucky?

2 Answers


Jimm

Jimm 1/10/2020

If the timing belt broke while starting the engine, there is likely minimal damage - but there is still the possibility of valve and piston contact, such that the engine will need disassembly.

Close tolerance engine designs allow for the cylinder head valves to hit the top side of the pistons. Therefore timing belt failure on these engines usually results in catastrophic engine damage (i.e. bent valves and in some cases cracked pistons) - when the engine is running.

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Jimm

Jimm 1/10/2020

If the timing belt broke while starting the engine, there is likely minimal damage - but there is still the possibility of valve and piston contact, such that the engine will need disassembly.

Close tolerance engine designs allow for the cylinder head valves to hit the top side of the pistons. Therefore timing belt failure on these engines usually results in catastrophic engine damage (i.e. bent valves and in some cases cracked pistons) - when the engine is running.

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0

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