2000 Cavalier

Customer complaint: the car stopped while driving. Engine died completely, although there was power.
Diagnose: broken timing chain.
Solution: replace timing chain, clean all the sludge.
Work done: After removing the valve cover, we noticed a huge amount of sludge. We assume that the previous owner used low grade oil and change it seldom…As you can see in the pictures, it was a lot! Always use the best oil you can afford and a good filter and do the oil change regularly in order to avoid this.
We also noticed that the valve train was not moving. Although the customer stated that the timing chain was replaced a year ago, we were sure it was broken. After cleaning the engine, a new timing chain was installed and the plastic part from the tensioner was trimmed in order to obtain a bigger clearance between the tensioner and the crankshaft sprocket.