Common questions

How much does it cost to replace a crankshaft?

How much does it cost to replace a crankshaft?

The average cost for a crankshaft repair runs between $50 and $105, with the labor generally being between $130 and $165. Although the crankshaft repair is for smaller issues, it definitely is a lot cheaper than a total crankshaft replacement.

How much does it cost to fix a crankshaft on a lawn mower?

On average, the cost to repair a lawnmower crankshaft is between $500 and $900, depending on the extent of the damage and the mower’s complexity.

Can you drive with a bad crankshaft?

Once the position sensor becomes compromised or if you have symptoms of a problematic crankshaft that you can’t ignore, do not drive your vehicle. If the problems are more severe, driving can cause substantial engine damage that could cost you a lot more to repair.

How do I know if my crankshaft is bent?

Abnormally rigorous vibrations and grinding noise are signs of a bent or broken crankshaft. Look out for excessive vibrations when using your mower that was not there before. Symptom 2 are issues with the transmission. A bent or broken crankshaft can hit other parts causing problems in the transmission system.

What is a crankcase on a lawnmower?

A lawnmower crankshaft acts as a bridge between the pistons and flywheel, and is a critical part of starting the engine. The crankshaft takes the up and down motion of the pistons and cranks the flywheel in a circular motion, which also powers the fan belt and the transmission.

Can you replace a lawn mower shaft?

A crooked crankshaft can occasionally be straightened by heating and bending in a vice, but a severely bent shaft might have to be replaced. The shaft is cast as one piece of steel, and much of the engine must be disassembled to get it out.

How much does it cost to replace crankshaft seal?

But, to give you an initial but approximate idea, the seal itself, that is the part cost, is typically around $20-$25. On your car, depending on which version of the engine you have (dual cam versus single cam), the labor will probably be in the range of 2 to 3 hours.

Where can I get a new crankshaft for a small engine?

When you’re repairing your small engine, Jack’s has all the parts you need. We have replacement crankshafts from the major manufacturers, including Briggs and Stratton, Honda, Kawasaki, Kohler, and Tecumseh. Match your part or model number below. We also carry replacement camshafts.

How do you change the bearings on a crankshaft?

Coat the crankshaft journals as well. The journals are the area on the crankshaft where the bearings will be resting on. Lay the crankshaft carefully on the engine block with the help of an assistant. Install the other half of the new bearings on the main bearing caps.

How much does a Briggs and Stratton crankshaft weigh?

Shipping Weight = 4.15 lbs Briggs Stratton Crankshaft Part No. 797017 Briggs Stratton Crankshaft Part No. 797017 25mm x 3-5/32″, 2 Woodruff Keys, 1/4″ Keyway, Tapped 3/8-24 Supersedes Part Number 493282, 694440, 691450, 699010 & 498562 Shipping Weight = 5.75 lbs

What should I use to grease the crankshaft?

Coat with a thin layer of moly-base grease the faces of the new main bearings you installed on the engine. Coat the crankshaft journals as well. The journals are the area on the crankshaft where the bearings will be resting on.