How do you change the timing chain on a Chevy Cobalt?
How do you change the timing chain on a Chevy Cobalt?
•Use a suitable tool with a rubber tip on the end. Feed the tool down through the camshaft drive chain to rest on the timing chain. Then give a sharp jolt diagonally downwards to release the tensioner. •Use a 24 mm wrench to hold the camshaft.
What happens if a chain tensioner breaks on a Chevy Cobalt?
Chevrolet revised the design of the tensioner multiple times over the production of the Cobalt, replacement is necessary to remedy this condition. A failed chain tensioner may result in a broken timing chain and subsequent engine damage if the issue is not diagnosed and repaired.
What was the problem with my Chevy Cobalt?
My problem with my 2007 Chevy Cobalt, 2.2L engine, 124,000 miles, was a noisy timing chain that would quiet up after the engine ran for about 5 seconds. I knew what the problem was, took the car to a local garage and had the timing chain kit installed for $530.00 plus tax.
How do you install a fixed timing chain?
•Install the fixed timing chain guide. Tighten the fixed timing chain bolts to 10 N·m (89 lb in). •Apply sealant compound to thread and install the timing chain guide bolt access hole plug. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number. Tighten the chain guide plug to 90 N·m (59 lb ft).
Why did my timing chain break on my Chevy Cobalt?
If it is a 2.2 engine it has a chain. It likely jumped time due to a tensioner failure. It is an interference engine so depending on how far the timing jumped, there could be valve damage. This is a fairly common problem.
My problem with my 2007 Chevy Cobalt, 2.2L engine, 124,000 miles, was a noisy timing chain that would quiet up after the engine ran for about 5 seconds. I knew what the problem was, took the car to a local garage and had the timing chain kit installed for $530.00 plus tax.
Can a broken timing chain be a good thing?
A broken timing chain or belt is never a good thing. Usually it costs lots of money. It is another poor design by GM. Timing chains should last the life of an engine. Best of luck with it. 5 people found this helpful.
Why does my Chevy Cobalt make a rattle noise?
Share it! A rattle-type noise may be noted on cold start-up due to a failing timing chain tensioner. Chevrolet revised the design of the tensioner multiple times over the production of the Cobalt, replacement is necessary to remedy this condition.
Where are the timing marks on an Ecotec chain tensioner?
Independent of GM’s designs, Cloyes has designated the timing marks as shown in the illustrations to the right. With all designs the unique timing mark is aligned with the intake balance shaft sprocket timing mark and intake cam sprocket timing mark.
What to do if your timing chain is damaged?
If the timing chain tensioner, O-ring seal, or washer is damaged, replace the timing chain tensioner. •Measure the timing chain tensioner assembly from end to end. A new tensioner should be supplied in the fully compressed non-active state. A tensioner in the compressed state will measure 72 mm (2.83 in) (a) from end to end.
How big is the tensioner on a timing chain?
A tensioner in the compressed state will measure 72 mm (2.83 in) (a) from end to end. A tensioner in the active state will measure 85 mm (3.35 in) (a) from end to end. 26.1. Remove the piston assembly from the body of the timing chain tensioner by pulling it out. 26.2. Install the J 45027-2 (2) into a vise. 26.3.
Chevrolet revised the design of the tensioner multiple times over the production of the Cobalt, replacement is necessary to remedy this condition. A failed chain tensioner may result in a broken timing chain and subsequent engine damage if the issue is not diagnosed and repaired.
What kind of timing chain does Chevy Cobalt have?
Just a little information on the Cobalt 2.2 Ecotec. The Cobalt has 46k on it and no mods, just stock. Normally it runs and starts like a champ. I went to the store last night and when I came out I had a hard time starting it. The SES light came on and it ran a little rough with a slight ticking noise.
Why is the timing chain on my 2.2L not working?
If the chain broke while running, it is likely that the pistons struck the valves. Perhaps you should check for compression in all the cylinders. It is very important that you installed this new chain correctly and properly timed.
