Motorcraft YG429 Vacuum Control Valve
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5/32
Selected User Reviews For Motorcraft YG429 Vacuum Control Valve
In two-wheel drive mode, the 150 has a top speed of 150 miles per hour. 2013 F- 150 3. The 5L Ecoboost solved my problem of hearing the 4x4 grind when it wasn't supposed to be engaged. As the temperatures began to drop this fall, I could hear the IWE module on the driver's side wanting to engage while driving at about 20 miles per hour. At 30 mph, I abruptly let off the gas. That makes sense because that's when the vacuum pressure is at its lowest. br> We'd taken our truck to the dealer a number of times before this while it was still under warranty. They took the following positions (yes, this actually happened): Transfer case, both IWE modules, and all of the drive shaft's front right hanger bearings (the tech messed them up when reinstalling the shaft after replacing the IWE). When the weather turned cold, the problem would resurface. br> Keeping a spare in the glove box is a good idea because these are cheap compared to replacing the IWE modules that get ground up. All they are is a nickel-sized rubber diaphragm that loses its flexibility over time, which, when combined with cold temperatures and dirt contamination, causes problems.
However, it's possible that this isn't the cause of the rattle. The original control valve was replaced, and it now functions as expected. If you're looking for these, you're probably looking for the 'be all and end all' of a sound you're hearing on the front end. This is to help fix the suction issues of the front wheel hubs for 4 wheel drive if the ($35) Ford solenoid is working properly. Now, with that said, if you replace both as I did and the sound persists intermittently, It's possible that the suction isn't coming from the four-wheel drive. Please hear me out. The truck's undercarriage resembles a tuning fork. Because of possible loose skid plates and heat plates, it can cause a rattle for a few seconds at a time at the right RPMs. I recognized the sound of accelerating from a stop sign or slowly driving uphill, particularly when towing a trailer. A quick rattle or growl can be heard. The noise was coming from near the front end, near the exhaust cross pipe that ran parallel to the front bumper. On top of the pipe, there is a heat plate that is welded on one side and attached to the pipe with a hose clamp on the other side of a foot-long plate, which was missing. rusted away That was the final word! I tightened the other end of a new hose clamp around the exhaust pipe's heat plate. Drive uphill now with whisper-quiet accelerations from a stop. Even so, if the vehicle's problem is a suction issue, this crucial $10 part is the solution for many! If the hubs are not working properly, a tiny nickel piece inside may become stuck in the open or close position over time, causing the hubs to partially engage. Best of luck!.
I had to replace this product because my IWE hub actuator wouldn't fully disengage. When it would accelerate, it would make a grating noise. I took off the old one and replaced it with the new one, and voila! The issue has been resolved. The original fit perfectly.
For my 2010 5, this is perfect. The valve next to the solenoid had failed. You could blow air through both ends, which I noticed. The problem was solved after I replaced it with this one. While I was driving, my iwe was attempting to activate. On an incline, it would do so. The sound coming from the driver's side sounded like it was coming from the steering wheel, and now I understand why. It took two months for me to figure out what was wrong with me. I hope this has been of assistance.
If I wanted them to work again, I'd have to go back to 2WD and then back to 4LO, but only for a few seconds. I found out that this check valve is very common to fail, so I tested it and it was indeed defective. To test it, suck a vacuum with your mouth while plugging the other hole with your finger. When you let go of your finger, it should still be firmly attached to your tongue.
br>Excellent product; I recommend giving it a try before investing in more expensive parts.
This small component appears to have eliminated the low-speed noise from my front end. I read that the internals deteriorate over time, and since there is no longer any noise, I believe the original unit was defective.
Sometimes it would go into 4x4 and not come on, and vice versa. At times, the reservoir vacuum was leaked through the check valve.
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