How much does it cost to fix an exhaust manifold?

The average cost for exhaust manifold replacement is between $1,020 and $1,118. Labor costs are estimated between $227 and $287 while parts are priced between $793 and $831. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

What causes exhaust manifold failure?

Most exhaust manifolds are made from heavy-duty cast iron or stainless steel. But overtime, a manifold can warp or crack due to thermal stress, resulting in an exhaust leak. Exhaust leaks can also develop from failed manifold gaskets and broken mounting studs.

Can a cracked exhaust manifold cause engine damage?

Besides leaks, cracks in the manifold can allow outside air in, which in turn can cause the engine to stall or die. If the crack isn’t fixed in a timely fashion, you can also cause major damage to the engine, such as blown head gaskets and overheated heads.

How long does it take to change an exhaust manifold?

about three to five hours
Tip: According to most service manuals, this job will take about three to five hours to complete. This job will be accessible through the top of the engine compartment however you might have to raise the vehicle in order to remove the exhaust manifold to the exhaust pipes under the vehicle.

Is it OK to drive with exhaust manifold leak?

If you had a 5mm diameter hole in your exhaust manifold, you wouldn’t want to drive your car anywhere unless you were wearing ear defenders. Until enough gets into the cabin and you make a fatal mistake. Unfortunately the answer is “as long as you live”.

Can I replace the exhaust manifold myself?

Step 1: Attach the new exhaust manifold gasket onto the studs on the cylinder head. Step 2: Install a new gasket between the bottom of the exhaust manifold and the exhaust pipes. Step 3: Attach the exhaust manifold to the exhaust pipes below the vehicle. Step 4: Slide the exhaust manifold onto the cylinder head studs.

What happens if you don’t replace exhaust manifold?

An exhaust manifold leak can be very damaging to your engine if it’s not taken care of in a timely manner. A leaking exhaust manifold gasket can cause a burned exhaust valve, which can cause exhaust from the combustion chamber to flow the wrong way into the intake manifold.