Is there a timing belt and water pump service for the 2007 ml 350 at 100,000 miles

Normally, the manufacturers recommend this service between 80-100K, depending upon manufacturer and model. That said, as the vehicle is 9 model years old, there is a possibility of belt deterioration from age as well as mileage. As most of these engines are interference-type engines and would be damaged severely by a broken timing belt, if you have the funds to do this now, it would not be unreasonable to do so. The water pump is probably ok, but to not replace it with the timing belt is silly, because of where it is and the effort it takes to access it later. If you choose to wait, I would not wait past 60K, just because of the factors I already mentioned.

from 2003 to 2007 inline 4 cyl, models have timing chains, that do not require replacing. All of these engines are INTERFERENCE engines. If the belt breaks you WILL have serious engine damage. if a rubber timing belt, honda says about 100,000 miles. have a good day !!

4cyl $350-$500 V6 $450-$750....Because this vehicle's water pump is timing belt driven, this repair may be costly. If a timing belt service hasn't been done within the last 30K miles, I recommend replacing the following: timing belt, idler and tensioner pulleys. hopefully this help'd

Yes.
It has a belt. Service interval is 90,000 miles. This is an interference engine, so belt failure will result in a scrapped engine.
Cost should be around $600-$700. I would recommend replacing the water pump as well, as the timing belt needs to come off to to replace the water pump, and I wouldn't trust the pump to last 180k.

Timing belt and water pump would be a wise repair procedure and great insurance to keep this vehicle running as it should.

80,000 along with the water pump

Yes it needs to be replaced its already time for that.
IntervalsHere is what I recommend for maintenance intervals. There are exceptions to all of these including severe duty, which most northern cars fall into.

• Change Transmission filter-30,000 miles, 90,000 and 150,000 miles and fluid at 60,000, 120,000 and 180,000 miles.
• Change oil every 3,000 miles or 3 months, unless you use Mobil One, in which case 6 months/6,000 miles.
• Chassis lube every 3,000 miles, assuming there are fittings.
• Spark plugs: Conventional plugs: 30,000 miles, Double platinum: every 50,000 miles (100,000 mile plugs are best to be changed well before that, although some can reach it).
• Fuel filter: 35,000-40,000 miles. Unless it is in the tank. But if the tank is ever dropped, do it then
• Ignition cap, rotor, wires: 60,000-80,000 miles. (if it has them).
• Timing Belt, if applicible: 60,000 miles on many but check with gates or dayco or the manual or dealer, as many different intervals are now present.
• Coolant flush -- green: 2 years/24,000 miles.
• Coolant flush -- dex-cool or long life: 5 years/50,000 miles.
• Tire rotation: 5,000-8,000 miles.
• Alignment: 15,000-20,000 miles., unless tire wear is not a problem and car goes straight.
• Brake fluid flush and power steering fluid flush: 2 years or when dirty or discolored.
• Air filter, pcv valve and cabin air filter: as needed.
• Professional fuel injection service: 40,000 miles.
• Throttle bore plate cleaning: 20,000 miles.
• Air induction service: 20,000 miles.

MaintenanceEvery auto manufacturer lists their required maintenance on their web sites and in the owners manual the maintenance service intervals vary between manufacturers.

Your car is a moving piece of machinery, it needs maintenance, if you want this car to last you need to service it. Do not just do the minimum recommended services that are listed in you service manual. Make sure you service your cooling system which prolongs the life of the radiator and water pump, and the power steering system, which will extend the life of your cars power-seeking pump and gear box or rack. It will cost you much more than you want to spend when you fail to maintain your car and larger problems surface. I recommend that you review your owners manual and get acquainted with a reputable auto repair facility. A good relationship with you car and your car's mechanic will benefit you in the long run, providing you with a long lasting and safe car.

At 30,000 miles you should also service your cooling system, transmission, fuel system and power steering; this should be repeated every 30k miles. I recommend flushes of the later mentioned items to prolong these systems' life span.

Most car manufacturers recommend replacing timing belts after 60,000 miles. I have seen cars go 200,000 on a timing belt. But I wouldn't recommend that. Personally, that Max I would go, even if 99% of your driving is highway, is 80,000 miles. I'm not 100% sure about the sonata, but if it is front wheel drive and your replacing the timing belt, think about replacing the water pump at the same time. That is always good practice to remember.

Hello tinaromano1: The factory specification are to replace the belt every 90,000 miles in severe service. I would recommend to replace at 90,000 no matter what the service would be. Keep in mind should the belt break there is always a chance engine damage may occur. Should you need further help just ask. Thank You for using FixYa. Roger

My message doesn't spify what type of vehicle, so I'll say that if the water pump belt is different from the timing belt, them about 15000 miles for water pump, and 30,000 miles for timing belt.

If your system is drive by a serpentine belt, then changing just one belt will solve your problem.

Automatic transmission fluid should be about every 15,000 miles, and be sure to change the filter in the tranny at the same time.


If you would like to contact me again about this or other problems, feel free to do so.
Bill
ASE Master Technician