If you have a 2001-2005 Ford F150, you probably know how frustrating it is when your truck’s IWE (Integrated Wheel End) system breaks. This problem usually happens after the truck has traveled about 1,50,000 miles. The sound it produces is a constant grinding sound when you take off and a grinding sound when you turn. However, the best way to deal with this issue is to replace the IWE and get back to driving your truck. Here’s how.
If the problem has caused your vehicle to lose power, the first thing to do is to check the vacuum in the system. This vacuum can cause the front wheels to engage and disengage. If the valves are not plugged properly, then the vacuum is not working correctly. If you have a leak in the vacuum hose, you can fix the problem by putting it in the hose that feeds the integrated wheel end system.
How Do I Fix My F150 IWE?
A tear in the vacuum line near the push clip that holds the IWE actuator to the frame near the ABS line was the only thing preventing me from locating the source of the IWE’s problem. That’s not very uncommon, but it was all I could find to fix the problem. There is no easy way to diagnose the problem with an IWE, so I had to go through some trial-and-error tests and eventually found the culprit.
One common reason is that the hub is not receiving enough vacuum pressure to properly engage the 4H. If the vacuum pressure reaches part of the hub, the metal hub will try to engage the driveshaft, but it can’t. If you notice a grinding sound when you start your car, the problem is likely related to the IWE actuator. This problem can be caused by a number of different problems. To fix it yourself, just follow the steps listed below.
What Does Ford IWE Stand For?
What does Ford IWE stand for? – Integrated Wheel Ends, which works to lock the leading hubs when you change between 2WD and 4WD. This system involves a solenoid that controls the flow of vacuum to actuators on the wheel hubs. This device is found in both Ford cars and trucks. It locks the front hubs when you change between 2WD and 4WD, and unlocks them when you switch to 4WD.
To check if you have IWE problems, find the vacuum line to the solenoid in the engine compartment. The IWE solenoid is located underneath the hood, near the firewall. If you’re unsure about this part of the vehicle’s engine, use a vacuum gauge to check the air pressure in the system. You’ll want to be sure that the hub is locked into the axle, but there’s a good chance that the vacuum leak is the culprit. If this leak causes your IWE system to fail, then your car’s 4WD system will default to 4H. The audible grinding sound is a mechanical failure.
What does Ford IWE stand for? – Ford’s Integrated Wheel End (IWE) system locks and unlocks hubs to change from 2WD to 4WD, or vice versa. Ford 4WD drive systems typically have a manual or automatic transfer gearbox and moderate off-road ability. Some 4WD cars and SUVs even have height-adjustable suspensions, which allow the car to climb a slope and move over obstacles.
How Do You Test an IWE Solenoid?
If you are trying to figure out how to test an IWE solenoid on a Ford F150, there are several steps that you can take to make sure that it is working properly. The IWE solenoid is located on the passenger side firewall. First, you must remove the manifold vacuum line. Once removed, check the integrity of the manifold vacuum line and the IWE solenoid’s leakdown rate.
If the problem occurs only on one side, then you may need to test the entire unit. You may need to take your truck to a dealer to have them check for the code. Depending on the problem, you may need to replace the solenoid. First, disconnect the lines at the wheel end and the solenoid. Next, blow out the lines using compressed air. You should avoid allowing water to enter the IWE.
If you notice that the vacuum is dropping slowly, it is likely that the IWE solenoid is faulty. You can easily determine if this part needs to be replaced by following the steps below. You do not need high-end equipment to perform this simple test. The Ford F150 has two vacuum hoses that are held together by plastic housing. The first hose should have a constant vacuum even while the engine is running, while the second should have a vacuum only when the 4WD system is engaged.
How Do You Replace a IWE Check Valve?
When your Ford F150 stops working properly, you’ll need to fix a part called the IWE check valve. The valve is a vacuum system that engages the front wheel hubs when you switch drives. If the valve fails, the front wheel hubs can engage and disengage on their own, causing a bad grinding sound. If you want to fix this problem yourself, you can follow the steps below:
To repair the IWE valve on your Ford truck, you’ll first need to get a new IWE valve. This part can be purchased from a Ford dealer. However, you must remember that FORD doesn’t have any input into dealer pricing. You should always check with your local dealer if the part you want is not available. Make sure to follow the steps outlined in the manufacturer’s manual before beginning.
Is IWE Covered Under Warranty?
Does the IWE on a Ford F150 require a replacement? Yes, but how does a repair company go about it? How does a Ford dealership determine the warranty period for IWEs? If you’re considering purchasing a new Ford truck, here are some options:
The powertrain warranty covers the engine and transmission for 5 years/60,000 miles. The warranty on a Ford truck’s diesel engine is 5 years/100,000 miles. The dealership will advise you as to what your options are for extending your warranty. Some automakers also offer an extended warranty that will transfer to a new car if you purchase it from them. These are optional, transferable warranties, and they can be very beneficial for a used car.
What Does IWE Check Valve Do?
If you’re wondering, “What does the IWE check valve on Ford F150 do?” this article is for you. You’re experiencing intermittent grinding and metal-on-metal sounds when driving in 4WD mode, and you may even feel a shuddering sensation. The first thing to do is to visit your mechanic, as this repair is easy, but you should know what to look for.
IWE check valves are commonly found on Ford heavy-duty trucks and medium-duty pickups, and the system is responsible for helping the front wheels turn while maintaining an even vehicle’s traction. You can easily test the valve’s functionality by sticking a vacuum hose into the second hose that feeds the IWEs. The resistance of the hose should be two to five ohms; if the coil has an improper resistance or an open circuit, it’s time to replace it.
The next step is to test the solenoid. Locate the solenoid on the passenger side, close to the battery. You can use a vacuum gauge to check the valve’s real-time response. Insert the hose into the solenoid or switched vacuum line, and pump the gauge until you see the needle drop. If the gauge drops more than an inch, there’s likely a blockage or damaged actuator.
Does Ford Still Use Vacuum Hubs?
For years, Ford has used vacuum-actuated hubs in the F-150. These hubs were called Integrated Wheel Ends and allowed the wheels to freewheel when the vehicle is in two-wheel drive. The new systems are not only different in appearance, but also go by a different acronym, EIWE. This means that the hubs still get their vacuum from the vacuum reservoir but they use an electric pump to lock them.
The IWE system works off of the engine vacuum, and it includes a single-solenoid vacuum pump serving the IWE. The system consists of IWE actuators in the front hub, vacuum lines, one-way check valves, and an actuator control solenoid. The IWE actuator is an integral part of the system, but it also has the potential to malfunction. In addition to failure, the single-control solenoid is susceptible to water intrusion, rendering it useless.
The PVH system is used in Super Duty trucks, which are frequently used for plowing snow or off-road work. When the wheel gets stuck, the vacuum-actuated hubs would not lock, so the truck would not lock. Hence, Ford put manual-locking hubs on all its trucks, except the F150, so that they won’t fail as often. So, the question is, why doesn’t Ford use this system?
Learn More Here:
4.) F150 History