Your helper will guide the old chain out and hold the new chain on the sprocket. Achieving the best balance of fuel economy and power from your car or truck's engine means you need to keep every timing component in working order. It does not matter which link, just choose one. Don't let that little sucker fall into the engine. This is a great time to install that new thermostat you have been putting off, along with the proper Mercedes coolant. Question: Where is the Tensioner on the outside of the motor and is it reachable? Applies to any early M102 engine. Well, if you must watch something, watch the tensioning rail or the slide rails impossible to see without taking engine apart.
The engine is getting a little tired, but with good maintenance and care will go another 200k. Don't let you car go this long! One of the helpers hands is on the sprocket, his other hand has the old chain pulled tight. Simplex chains will on occasion exhibit signs of stretch and eventually will rattle as the tensioner can no longer take up the slack. My C140 was lumpy on idle and the cause was found to be a stretched timing chain. Are the mercedes valves so close to the pistons that when the timing chain fails they get bent? This job is best done with a helper.
Thanks Tony Smith No, steps for Engine 272. I will start watching my timing chain then. There reasoning is that I did not use a mb oil filter; they have cancelled my warranty. Now take some clean shop rags and cover the valve train and all the crevices near the chain. I think they are best left well alone until the symptoms of a stretched chain manifest themselves. Timing chain, tensioner and chain guides.
As you can see the link is being removed from the chain. Repairs to a bad timing chain tensioner or worn timing chain can get your car back on the road quickly, whereas waiting for your timing chain to fail can result in major engine work or even engine replacement. Originally he told me that he sure made it sound like they benz will pay for a big chunk of total repair bill. When does the timing chain need to be replaced? So follow along as we install a new timing chain. What area do you live in.
The contact attempted to notify the manufacturer, but the contact was placed on hold for 1. The timing chain problems are not uncommon, especially in high-mileage vehicles. That engine really likes new air filters as well. A worn or stretched timing chain will adversely affect valve timing. Well getting the original out was easy, but the spring tension was so stiff I could not get the new in. Count the number of chain pins between the timing marks of both sprockets.
I won't change the chain until it gets to 5 degrees. Be mindful to not spill or splash fluids on yourself, others or the ground. If it were a Mercedes-specific mag, then I'd expect it to be accurate about the subjects it featured. Secure the chain with a master link and clip. Benz salesman never mentioned that to me.
Using premium quality engine oils and oil filters will also help. No such luck if you have a modern front-wheel drive car with a transversely-mounted engine, as the space in the engine compartment could be very tight. I lost a timing chain on a dodge and it bent the valves and ruined the engine. Perfection Auto Works is experienced in working with high mileage vehicles. This failure also broke a tooth off of the crank sprocket - I guess even a slow spinning engine has a lot of momentum.
Standard procedure for bleeding fuel system. If you are at all worried ring one of the Indys that sponsor the site. My W202 C200 has done more than double this mileage. Only 2 days after I fixed the problem, the engine intake and exhaust cam shaft adjusters, timing chain tensioner broke. The cost of having the chain changed at Star Motors was not at all unreasonable so you should not worry about the cost either. As a rule of thumb, the timing chain will perform well for 200,000 miles with good maintenance practices.
Since the engine will be rotated clockwise, the old chain will pull the new chain in the engine and out the other side. I would think a late 1990's or early 2000's. Now all that said, the chains are generally very reliable and there are millions of vehicles that never have a problem but on forums we only ever get to hear about the ones that do. I seem to remember Edd China on Wheeler Dealers saying that Mercedes needed regular chain replacing when he was working on an American Mercedes, it looked to be a good size chain he took off as well, and it got me thinking Click to expand. As mentioned, the chain will probably last forever, if something else does not fail and allow it to jam itself.