How to replace the PCV Valve on Chevrolet Tahoe?

To change the Positive Crankcase Ventilation (PCV) Valve, initially, remove the engine sight shield if necessary. Then disconnect PCV tube from the rocker arm cover and disconnect PCV valve from the PCV tube . For installation, cut an old PCV valve off the PCV tube, remove the bottom retaining clip, attach the new PCV valve to the PCV tube, and then reconnect the PCV tube to the rocker arm cover. Lastly, reinstall the engine sight shield if it was removed.

OEM Chevrolet Tahoe PCV Valve

Position Crank Ventilation Valve

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5 PCV Valves found

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Chevrolet Tahoe PCV Valve Part Number: 6487779
$9.88 MSRP: $17.64
You Save: $7.76 (44%)
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Product Specifications
- Other Name: Valve, Crankcase Ventilation System; Engine Crankcase Ventilation; Crankcase Valve.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe PCV Valve Part Number: 19303069
$3.94 MSRP: $7.04
You Save: $3.10 (45%)
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Product Specifications
- Other Name: Valve Assembly, PCV; Crankcase Vent Valve; Valve, Engine Crankcase Ventilation; Valve, Engine Crankcase
- Replaces: 06487532, 6487532
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe PCV Valve Part Number: 12691880
$8.36 MSRP: $16.98
You Save: $8.62 (51%)
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Product Specifications
- Other Name: Valve, Engine Crankcase
- Replaces: 12631624
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 Chevrolet Tahoe | LS, LT, LTZ, PPV, Premier, SSV | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe PCV Valve Part Number: 25179136
Product Specifications
- Other Name: Valve, PCV; Valve, Engine Crankcase
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2002 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Tahoe PCV Valve Part Number: 25098706
$97.07 MSRP: $173.34
You Save: $76.27 (44%)
Product Specifications
- Other Name: Valve, Engine Crankcase; Crankcase Vent Valve; Regulator Valve
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 6.5 L DIESEL

Chevrolet Tahoe PCV Valve

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The PCV Valve (Positive Crankcase Ventilation) found in Chevrolet Tahoe both aids in increase in performance by the engine and reduced emissions. They recirculate partially burnt gases from the crankcase back into the combustion chamber where they can again be burnt hence minimizing on the formation of oil sludge and at the same time providing protection to the engine. It works on a vacuum control from the intake manifold so that the flow rate can be optimal controlled according to the situation on the engine. Despite the general working principle of the PCV Valve being quite simple, changes have been known to occur in different Tahoe models over the years in terms of design and location of the valve. These differences can also influence the ability of the valve to handle crank case gases and also the engine power. It is advised to frequently inspect PCV Valve to be sure that it is working correctly because if it does not work as it should, there may be problems such as leakage of oil and elevated fuel consumption, and they may require expensive repair.

Chevrolet Tahoe PCV Valve Parts Questions & Experts Answers

PCV Valve
25179136
Q: How to replace the PCV Valve on Chevrolet Tahoe?
A:
To change the Positive Crankcase Ventilation (PCV) Valve, initially, remove the engine sight shield if necessary. Then disconnect PCV tube from the rocker arm cover and disconnect PCV valve from the PCV tube . For installation, cut an old PCV valve off the PCV tube, remove the bottom retaining clip, attach the new PCV valve to the PCV tube, and then reconnect the PCV tube to the rocker arm cover. Lastly, reinstall the engine sight shield if it was removed.