A PCV Hose Replacement cost in Garden Grove in 2024

The average cost for a pcv hose with CarAdvise is $85 and the range is generally between $38 and $279.

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A PCV Hose Replacement costs by shop in Garden Grove.

CarAdvise Customers save an average of $17 on A PCV Hose Replacement.


Average cost of A PCV Hose Replacement for popular vehicle models in Garden Grove:

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What is a PCV hose and how does it work?

When your engine is running, air pressure builds up inside the crankcase, the compartment where the crankshaft and engine oil is located. This pressure is caused by exhaust gases produced during combustion that leaks past the pistons and into the crankcase. If left unchecked, the exhaust can contaminate the engine oil and create sludge. Excess crankcase pressure can also lead to engine leaks.

The PCV system allows the gasses inside the crankcase to be rerouted to the engine intake where they are able to be drawn into the engine to be burned. In the process, the vapors are prevented from entering the atmosphere. For this reason, the PCV system is often considered to be part of the emission control system. The PCV hose plays a critical role, as it connects the PCV valve to the intake manifold vacuum to allow the vapors to re-enter the engine.


How do I know if my vehicle needs a PCV hose replacement?

If the PCV hose is damaged, deteriorated, or fails to seal correctly for any reason, it will not allow manifold vacuum to be maintained inside the system. This will also prevent the PCV valve from working properly, since vacuum is what activates the PCV valve. When this happens, the oil inside your engine will eventually collect moisture and contaminants, resulting in material breakdown. When your oil breaks down, it loses viscosity and develops sludge. Engine leaks are also common when excessive pressure builds inside the engine crankcase.

If your PCV hose is bad, any of the following symptoms are possible:

Excessive engine oil consumption

Dirty oil

Moisture buildup on the inside of the oil cap

Oil leaks

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How does a technician perform A PCV Hose Replacement ?

PCV stands for “positive crankcase ventilation”. Therefore, it follows that the PCV valve is located on the crankcase, the lower part of an engine where the crankshaft is housed. The PCV hose is attached to the PCV valve and extends to the intake manifold on the top of the engine. To replace a PCV hose, a technician will follow these general steps:

  • Remove shields, guards, covers, or ducts to gain access to the PCV hose
  • Disconnect the hose from the PCV valve as well as from the engine intake manifold
  • Remove the old hose and install the new one
  • Reattach the hose to the PCV valve as well as to the intake manifold
  • Reinstall any shields, guards, or covers that were removed during disassembly
  • Start the vehicle and ensure PCV valve is working correctly and the vehicle idles normally
  • Some technicians may use a smoke meter to pressure test the hose and connections after installation, or view live data on a diagnostic tool to ensure the engine does not show signs of a manifold vacuum leak

Other Questions Customers Ask

Is a PCV hose the same as a heater hose?
No. A PCV (or “positive crankcase ventilation”) hose is used to prevent excessive pressure from developing inside the engine crankcase and to reduce vehicle emissions. The PCV hose is specifically made to handle fuel and oil vapors. A heater hose, on the other hand, carries water and engine coolant (“antifreeze”) to the heater core inside the vehicle.
How important is a PCV hose?
During combustion, gases created inside the combustion chamber expand rapidly. These gases produce the power inside your engine, but some of those gases make their way past the pistons and into the crankcase. This causes positive pressure to develop, resulting in oil breakdown, contamination, and sludge. The PCV valve and hose are important components to mitigate the pressure inside the crankcase.
Can you drive with a broken PCV hose?
It is possible to drive a vehicle with a broken PCV hose, but it is not recommended. When the PCV hose fails, moisture and contamination will begin to build up in the engine oil. This will slowly degrade the oil, causing it to break down, lose viscosity, and turn to sludge. Aside from the oil contamination, a broken PCV hose means that the intake vacuum will be leaking from the hose and the engine may run very poorly. This could lead to you being stranded without warning.

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