How do you diagnose a bad dual mass flywheel?

How do you diagnose a bad dual mass flywheel?

Visual Inspection of a Dual Mass Flywheel

1. Check the friction surface for excessive heat checks and scoring.
2. Check for excessive grease loss due to overheating.
3. Check for visible damage including the ring gear, and other parts found inside the bellhousing.
4. Check the rotational free play.
5. Check for secondary plate rock.

What causes a dual mass flywheel to fail?

Causes Of Dual Mass Flywheel Failure The main reasons are: Heat – Excessive heat is a big cause of most dual mass flywheel failures. A slipping clutch generates heat; if your clutch is worn, you can still save the flywheel if you get the clutch replaced early enough.

How long will a bad dual mass flywheel last?

We asked AA technical specialist Vanessa Guyll to explain the issue. She told us: “David’s Vectra uses a complex dual-mass flywheel. These smooth out the vibrations from modern, powerful diesel engines. They’re not as reliable as solid flywheels, but should last at least four to five years.”

How much does it cost to replace a dual mass flywheel?

Dual mass flywheels are very expensive to replace. The list price for the flywheel alone is typically $800 to $1100. Add in a couple hundred bucks for a new clutch and clutch disk, plus labor to replace all the parts and you end up with a sizable repair bill.

Is replacing a flywheel expensive?

When you add it all up, the average car owner is going to have to pay somewhere between $500 and $1,000 in most cases for flywheel replacement. That makes it one of the most expensive parts to replace in your powertrain.

How much will it cost to replace a flywheel?

And since replacing a flywheel is a time-consuming process, you could also be looking at paying up to $500 in labor costs alone. When you add it all up, the average car owner is going to have to pay somewhere between $500 and $1,000 in most cases for flywheel replacement.