Lexus GS300 Exhaust Manifold Repair at your home or office.

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Exhaust Manifold Repair Service

How much does a Exhaust Manifold Repair cost?

On average, the cost for a Lexus GS300 Exhaust Manifold Repair is $350 with $227 for parts and $123 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1999 Lexus GS300L6-3.0LService typeExhaust Manifold RepairEstimate$845.44Shop/Dealer Price$1037.69 - $1547.47
2006 Lexus GS300V6-3.0LService typeExhaust Manifold RepairEstimate$2397.63Shop/Dealer Price$2988.96 - $4711.66
2004 Lexus GS300L6-3.0LService typeExhaust Manifold RepairEstimate$811.44Shop/Dealer Price$1003.74 - $1513.56
1993 Lexus GS300L6-3.0LService typeExhaust Manifold RepairEstimate$661.18Shop/Dealer Price$815.84 - $1212.92
2000 Lexus GS300L6-3.0LService typeExhaust Manifold RepairEstimate$811.44Shop/Dealer Price$1003.78 - $1513.64
2005 Lexus GS300L6-3.0LService typeExhaust Manifold RepairEstimate$811.44Shop/Dealer Price$1003.74 - $1513.56
1997 Lexus GS300L6-3.0LService typeExhaust Manifold RepairEstimate$623.46Shop/Dealer Price$766.23 - $1128.39
2003 Lexus GS300L6-3.0LService typeExhaust Manifold RepairEstimate$819.94Shop/Dealer Price$1012.94 - $1523.29
Show example Lexus GS300 Exhaust Manifold Repair prices

What is the Exhaust Manifold 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 gases are the burned fuel/air residue from the combustion process in the cylinders of the engine. Over time, the constant expansion and contraction of the components (caused by constant heating and cooling in the engine), may cause the manifold to crack and leak. These leaks can be hazardous as hot exhaust gases escape and can damage other components in the engine compartment. A leaky exhaust manifold 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:

  • Determine if the manifold is cracked or broken.
  • Remove and replace faulty exhaust manifold.
  • Inspect exhaust studs, clean carbon and old gasket off cylinder head.
  • Install new gasket and exhaust manifold.
  • Start engine and check for exhaust leaks.

Our recommendation:

The exhaust manifold is 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?

  • 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

(213)

Rating Summary
198
11
2
0
2
198
11
2
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2

Michael

16 years of experience
606 reviews
Michael
16 years of experience
Lexus GS300 L6-3.0L - Valve Cover Gasket - Atlanta, Georgia
Michael was knowledgeable and honestly advised me of some preventative work that I should consider due to the age and model of my vehicle. I would definitely recommend him for future repairs.

Tung

16 years of experience
310 reviews
Tung
16 years of experience
Lexus GS300 V6-3.0L - Brake Pads Replacement (Front, Rear) - Acworth, Georgia
Great job and very fast!!

Fred

17 years of experience
389 reviews
Fred
17 years of experience
Lexus GS300 L6-3.0L - Crankshaft Harmonic Balancer - Cypress, Texas
Very nice, knowledgeable, and prompt.

Adrian

31 years of experience
75 reviews
Adrian
31 years of experience
Lexus GS300 L6-3.0L - Check Engine Light is on - Manteca, California
Did a great job and was very helpful

Excellent Rating

(213)

Rating Summary
198
11
2
0
2
198
11
2
0
2
Number of Lexus GS300 services completed
2343+
services done by our mechanics
TOTAL NUMBER OF EXPERT Lexus MECHANICS
1100+
experts on our platform

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