How to Replace the Intake Manifold, Valve Cover, and PCV Hose on the GM Ecotec 1.4L Engine

How to Replace the Intake Manifold, Valve Cover, and PCV Hose on the GM Ecotec 1.4L Engine: • How to Replace the Int...
In this video I show how to diagnose the PCV issue, and replace the intake manifold, valve cover, and PCV hose on a Chevy Cruze. The repair is the exact same for the Chevy Sonic and Buick Encore. This repair is meant to address the PCV issues that cause your car to throw the P0171 check engine light code. It can result in a rough idle, and the smell of burning oil, as well as many other issues such as gasket failure of the valve cover gasket and oil pan gasket which results in leaking oil. Please let me know if you have any questions about the process.
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Here are links to all the specific parts you will need:
- Intake Manifold: amzn.to/3Y77zqi
- Valve Cover: amzn.to/407Nbae
- PCV Hose: amzn.to/3H9FLum
- RTV Gasket Sealant: amzn.to/3JEwKMX
- Torque Wrench: amzn.to/3wCBcny
- Screwdriver with all needed bits included: amzn.to/3Y1NwJF
- 8 mm Socket: amzn.to/40cNnVy
- Socket Wrench: amzn.to/3PsHo9c
- Gloves: amzn.to/3Om9K3I
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VIDEO HIGHLIGHTS:
[0:00] Introduction
[0:35] Explanation of the Problem
[2:07] How to determine if you have a bad PCV Valve
[4:18] First Step
[4:34] Removing the old Intake Manifold
[5:04] Determining if your intake manifold needs to be replaced
[12:44] Removing the valve cover
[15:25] Installing the new valve cover
[17:56] Installing the new intake manifold
[24:59] Replacing the PCV hose
[26:17] Conclusion and checking for leaks
Purchases made through the links above help support my channel.
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[@newton296]

Thanks for posting. Doesn't look super difficult but there are a lot of steps and hoses and wires and fuel lines. And things that have to be disconnected that can crack or bend or get lost. I think I'll pay a mechanic to do this. I can handle a valve cover myself. Appreciate your calm, Bob Ross like demeanor. This must be the most relaxing car repair video I've ever watched

[@AJSWoodworks]

Haha, thank you!

[@hallowedbethygame2840]

Very well made video and you clearly know what you’re doing, thank you for uploading. That said-I don’t know why you skip important steps like fastening the valve cover in the proper sequence or using a torque wrench. Too risky for delicate plastic parts like these, in my opinion. But hey so long as it runs well and you can sleep at night 😅

[@z94720]

Great slow and clear! Thanks!

[@tohmclamz]

I cracked my hose too when I was changing out the valve cover gasket. It's actually seriously taped up right now waiting for the new one to arrive. It split right dead center on the top. I have a 2018 Buick Encore. The only reason I watched this video was because I thought you were replacing that along with everything else too.

[@us3804]

This was a great video,i habe meriva 1,4 turbo thanks

[@toddacheson7803]

You're a godsend. Thanks for taking the time to put this together and share it.

[@normcarguy4571]

Thanks

[@slickricky55]

No air should be coming through the hole? Either blowing out or in?

[@renedelafuente123]

Will you usually get a check engine light on dashboard when pcv goes bad in intake manifold?

[@AJSWoodworks]

Yes, usually that is the case.

[@leo-ub6nb]

How’s it been since you’ve done this? Has the valve cover diaphragm gone bad again? Did the code pop back up? Any leaks with the Dorman Valve Cover? I’ve seen quite a few people complain that it leaks and/or doesn’t seat correctly, but I’ve also seen quite a few say it’s good. I literally just finished installing mine about an hr ago. Also cleaned up the throttle body, MAP and MAF sensors. Figured, while I got them off, why not.

[@AJSWoodworks]

It’s been over a year. Don’t think the valve has gone bad, but the codes are still up. I’m starting to give up on that engine ever running well again.

[@karlroby5501]

Thank you for this video. You forgot to show us how you unpluged the the fuel line from the rail. Do you need a special tool? I am asking because my intake as only 4000 miles on it and i don't want to remove the fuel rail. I want to port the intake for better flow and performance and de-assemble only what is necessary.

[@AJSWoodworks]

No special tools required

[@visionsoundelectronics9615]

I had a question when you change yours did you get better performance did a ride better could you tell more power or a ride at the same nothing changed it just needed to be changed because you had a check engine light on

[@AJSWoodworks]

It seemed like it ran smoother. Nothing significant, but still an improvement.

[@AsloFacil2024]

Cambien la tapa de válvula pcv el sonido sigue cámbiate el colector de admisión

[@ryannewnham8826]

Does the coil pack make any difference at all

[@AJSWoodworks]

It probably would if my car hadn’t had a bunch of other issues.

[@gta5cuentaebay]

4:57 plz i need reference of this ring . joint . .

[@AJSWoodworks]

Check out the description under the video. It’s called the PCV hose and It’s linked to the exact part you need.

[@thetayz72]

Hi, sir. At 1:02 does this mean that replacing the valve cover and intake manifold with the Dorman parts should permanently resolve the issue, even without installing a Cruze Kit? The mechanic replaced my OEM with the Dorman cover and intake manifold and I was wondering if I still needed a Cruze Kit to prevent another failure. Thank you for your helpful video

[@AJSWoodworks]

Theoretically, it should prevent another failure, however, I don’t trust this engine at all, and there is bound to be another failure point.

[@thetayz72]

@@AJSWoodworks Oh. Another failure point for the PCV, or just in general? How many miles do you have? I'm only at 51K but now it's rapidly rising due to changes with work ... I'd like to keep the Cruze going long-term, but everyone makes it sound pretty dismal.

[@AJSWoodworks]

@@thetayz72 other failure points with the PCV, including the PCV hoses. Other problems with the engine as well, everything started breaking at around 100,000 miles, including coolant system,.

[@jralex431]

Do you have an auto shop?

[@AJSWoodworks]

I do not. Just a garage and some basic tools.

[@chrisevans7416]

Except thats the diaphram valve in valve cover,pvc is orange valve in intake is pvc

[@choncoconcos5912]

Question: if I change the valve cover and I don't change the intake manifold until 4 days later after driving, would that ruin the valve cover? In such a short period of time?

[@AJSWoodworks]

I’m not sure. It could vary between vehicles. It just depends on how badly the pressure has built up while you have been driving.

[@choncoconcos5912]

@@AJSWoodworks 🤛 thanks I better wait then

[@joshgay2385]

FYI Dorman 615-380KIT is intake manifold, valve cover, and PCV tube in one box....

[@billj4137]

No it shouldn’t and if it did you would hear it.

[@choncoconcos5912]

@@billj4137 thanks