How to replace the PCV Valve Hose (LLT) on Cadillac STS?

You must remove the fuel injector sight shield as your first step when replacing the positive crankcase ventilation hose/pipe/tube (LLT). The two Intake Manifold insulator retaining pins must be taken out before the Intake Manifold insulator can be removed. Detach the pcv fresh air tube by freeing it from both the left camshaft cover along with the air inlet. On the right camshaft cover separate the pcv dirty air tube and on the Intake Manifold complete the same process. The installation procedure requires you to connect the pcv dirty air tube first to the right camshaft cover before connecting it to the Intake Manifold . The pcv fresh air tube should be attached to the air inlet and left camshaft cover. Complete the installation by first putting back the Intake Manifold insulator and attaching it with the two Intake Manifold insulator retaining pins before installing the fuel injector sight shield.

OEM Cadillac STS PCV Valve Hose

Positive Crankcase Ventilation Valve Hose

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2 PCV Valve Hoses found

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Cadillac STS PCV Valve Part Number: 12581955
Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Cadillac STS | V | 8 Cyl 4.4 L GAS
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Cadillac STS PCV Valve Part Number: 12614861
Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
- Replaces: 12604755
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2010 Cadillac STS | Base, Platinum | 8 Cyl 4.6 L GAS

Cadillac STS PCV Valve Hose

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The PCV Valve Hose is on of the most critical automotive parts belonging to the positive crankcase ventilation system, which significantly upgrades the Cadillac STS vehicle's performance and durability. The exhaust gases are channeled through this hose to the PCV valve, thus helping the engine to operate efficiently and at the same time minimizing on hazardous emissions. This PCV Valve Hose is highly durable and can be used for different models of Cadillac STS; therefore, it can be very useful for Cadillac lovers. An improperly functioning PCV valve hose can do great harm, including increased malodorous emissions and poor fuel efficiency, which points to the fact this component is vital for the vehicle's proper operation and stable performance. The Cadillac STS, praised for its luxury and performance, is positively impacted by the quality of the PCV Valve Hose since it reduces the risks of an engine pertaining to misfires and the like. Indeed the PCV Valve Hose has several features that make it stand out uniquely from other normally produced automobile parts such as; Some of the notable features such as heat and wear resistance makes this hose to offer long service without requiring replacement; this makes it to be very essential when purchasing a Cadillac STS. In conclusion, Cadillac STC PCV Valve Hose fulfills the needs, importance and reliability of Cadillac STS vehicles' performance and safety, thereby continuing the Cadillac's excellence.

Cadillac STS PCV Valve Hose Parts and Q&A

PCV Valve
12614861
Q: How to replace the PCV Valve Hose (LLT) on Cadillac STS?
A:
You must remove the fuel injector sight shield as your first step when replacing the positive crankcase ventilation hose/pipe/tube (LLT). The two Intake Manifold insulator retaining pins must be taken out before the Intake Manifold insulator can be removed. Detach the pcv fresh air tube by freeing it from both the left camshaft cover along with the air inlet. On the right camshaft cover separate the pcv dirty air tube and on the Intake Manifold complete the same process. The installation procedure requires you to connect the pcv dirty air tube first to the right camshaft cover before connecting it to the Intake Manifold . The pcv fresh air tube should be attached to the air inlet and left camshaft cover. Complete the installation by first putting back the Intake Manifold insulator and attaching it with the two Intake Manifold insulator retaining pins before installing the fuel injector sight shield.