Lexus RX400h Exhaust Manifold Gasket Replacement at your home or office.

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Exhaust Manifold Gasket Replacement Service

How much does a Exhaust Manifold Gasket Replacement cost?

On average, the cost for a Lexus RX400h Exhaust Manifold Gasket Replacement is $123 with $28 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2006 Lexus RX400hV6-3.3L HybridService typeExhaust Manifold Gasket ReplacementEstimate$170.77Shop/Dealer Price$202.22 - $257.18
2008 Lexus RX400hV6-3.3L HybridService typeExhaust Manifold Gasket ReplacementEstimate$150.77Shop/Dealer Price$182.25 - $237.23
2007 Lexus RX400hV6-3.3L HybridService typeExhaust Manifold Gasket ReplacementEstimate$150.77Shop/Dealer Price$182.25 - $237.23
Show example Lexus RX400h Exhaust Manifold Gasket Replacement prices

What is the Exhaust Manifold Gasket all about?

Depending on your engine and type of vehicle, the exhaust manifold can either be a set of pipes or it can be a cast iron manifold assembly. Essentially the exhaust manifold takes the burned exhaust gases from the engine’s cylinders and ejects the gas through the exhaust system and out through the car's tail pipe. The exhaust manifold gasket seals the surface of the exhaust manifold to the surface of the cylinder head, preventing leaks in the system. Over time, the constant expansion and contraction of the components (caused by constant heating and cooling in the engine), may cause the gasket to leak. These leaks can be hazardous as hot exhaust gases escape and can damage other components in the engine compartment. A leaky exhaust manifold gasket can also impact engine performance.

Keep in mind:

Sometimes an exhaust manifold starts to leak because a mounting bolt has broken. If this happens, the mechanic will have to remove the broken bolt or stud, which can increase the labor time needed to fix the problem. Your mechanic may charge you an additional fee, depending on the severity of the situation.

How it's done:

  • Inspect exhaust system for leaks.
  • Determine if it is the manifold or flange gasket that is leaking.
  • Remove and replace faulty gasket.
  • Apply anti-seize to the threads of the bolts.
  • Install new exhaust manifold gasket.
  • Start car and check for any exhaust leaks.

Our recommendation:

The exhaust manifold gasket helps in transferring burned gasses from the engine. It is located in a high temperature zone, and it will leak eventually. There is no way to prevent it. Your mechanic should use anti-seize compound on the bolts when they are replacing this part. This will help prevent bolts from breaking in the cylinder head.

What common symptoms indicate you may need to replace the Exhaust Manifold Gasket?

  • Loud noise from engine.
  • Lack of engine performance.
  • Check engine light is on.
  • Smells from the engine compartment (eg. plastic components next to exhaust manifold melting from escaped heat).

How important is this service?

A leaky exhaust manifold is a health and safety concern. Hot exhaust gases escaping from the engine can be a fire hazard melting nearby plastic components in the engine compartment.

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Meet some of our expert Lexus mechanics

Real customer reviews from Lexus owners like you.

Excellent Rating

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Rating Summary
82
4
0
0
2
82
4
0
0
2

Jay

37 years of experience
956 reviews
Jay
37 years of experience
Lexus RX400h V6-3.3L Hybrid - Timing Belt - Riverside, California
He was awesome and fixed a bent engine brace.

Jamal

25 years of experience
9 reviews
Jamal
25 years of experience
Lexus RX400h V6-3.3L Hybrid - UberX Inspection and Oil Change Package - Berkeley, California

Kiri

20 years of experience
372 reviews
Kiri
20 years of experience
Lexus RX400h V6-3.3L Hybrid - Ignition Coil Replacement - Philadelphia, Pennsylvania
Very excellent service this guy knows what he’s doing I couldn’t ask for anything more thumbs up

Pardeep

21 years of experience
1090 reviews
Pardeep
21 years of experience
Lexus RX400h V6-3.3L Hybrid - Oil Change - San Jose, California
Best mechanic, always gets the job done, and is super efficient

Excellent Rating

(88)

Rating Summary
82
4
0
0
2
82
4
0
0
2
Number of Lexus RX400h services completed
968+
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TOTAL NUMBER OF EXPERT Lexus MECHANICS
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