15-20 F150 Leaf Spring Tip Isolator Replacement
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- Опубликовано: 6 окт 2024
- Part Numbers:
White Pads (Nylon): FL3Z-5586-A
Black Pads (Polyethylene): FL3Z-5586-B
Although I used white pads in this video, I have gotten better longevity out of the black pads. When using black pads, you don't need to coat them in grease.
Replacing the leaf spring isolators can solve issues with a noisy rear suspension (popping, squeaking). The factory workshop manual over-complicates this procedure. This is an easy way to get these swapped out.
A few more notes to answer some recurring questions:
- I'd recommend the black spring pads - part FL3Z-5586-B. I have had better luck with them than the white ones. If you use the black ones, install them without grease. Part number should be the same for 2015-2020 model years.
- Most trucks just need 2 pads per side. The Heavy Duty Payload package needs 4 per side. That package was available on XL, XLT, and base Lariat trucks (depending on model year), but it was a very rare option.
Any idea why you don't need grease with the black one but you do with the white? I assume if I wanted to I could still use grease on the black ones?
@@evanjardee5841I'm not sure - that's just what the factory service manual says.
Just want to say THANK YOU so much for this video. Accidentally ran into it. Swapped mine out and NOISE BE GONE. Very happy. Noise started around 40k and just kept getting worse at 47k currently. But all gone. Got it done in about 30-45 minutes. Thanks a bunch.
Yes, Love it!!! Keep it stupid simple. I’ve been getting a thumping in the rear slight bumps and whatnot. It sounds like the axle about to fall down but everything is tight. I’m going to try this before I take it to someone. Appreciate the video.
I just finished doing my 2016. Popping noise is gone. And i saved some $$ doing it myself. Thanks for the instructional.
My 2019 crew cab has has the dreadful creak. A month after having the truck, is when it started. Dealership said it was normal for the truck to make the sound. After trying to ignore it for a few months on, i power washed theeaf packs and sprayed some lube between them. Went away for a good while. Especially in the winter. Now as its gotten warmer, its back 👀.
I installed my Bilstein 5100s today on the rear and then i just packed some high temp grease this time in there, and it went right away. I know this is temporary but dealers around me, because of covid still, have been out of stock on certain parts. But I do plan on getting some the next time around.
I just used the method you showed when separating the leaf packs. It was way more helpful and simple, compared on how i was trying to get in there.
Funny how the dealer says everything is normal!
Thank you!!!!!
I Raptor Swapped my '17 Lariat. Immediately after replacing the rear shocks I have a dull thump/clunk from the rear at low speeds, backing into my driveway. I cleaned and lubricated between the leafs and it went away for about a day so I bought these pads. But it didn't change anything. The sound is still there. maybe louder. I used black pads, no grease. Advice? My next step is lubricate just the shackles and to bounce it with the shocks disconnected. See if sounds go away or change.
If it's immediately after replacing the rear shocks, I'd bet your shock bolts aren't torqued enough.
I’m experiencing a high pitched squeaking noise that comes from my rear. Every bump I hit! Should this do the trick?
I’ve replaced my pads 5 times now and the noise always comes back within 2k miles. I’m just going to upgrade to the 2021+ style single leaf to eliminate the problem
On both of my previous F-150s, I got about 30,000 miles out of a set of these. My 2023 F-150 has two leaves plus an overload just like my 2020 did. I know the single leaf pack exists, but none of the trucks I looked at had that.
Great video. Mines doing that same thing now. Will the black ones fit a 2017?
They should fit - I believe 2015-2020 trucks are all the same springs/pads.
Great video! Just to be clear, I can use Ford Part # FL3Z-5586-B on both Left and Right side leaf springs? For both ends of the springs (4 total)? I saw some parts websites indicating that this part number was side-specific so that has me confused a little...
Correct - use the same part for both sides. Total quantity of 4 if you have the standard leaf pack (most trucks). 8 if you have the HD leaf pack (rare option).
Just got all 4 replaced and the noise is gone! My truck also had the White pads from the factory, even though it's a standard payload package. Thanks again!
Hi.....If I want to change all plastic pads (both on the rear left and rear right is the same item part number 9L3Z-5586-A
I'll have to buy 4 of those?
Thanks!
I'd go with FL3Z-5586-B. They are the black pads and they've had better longevity than the white ones I've used in this video. As long as you have the standard payload package, you'd need four total pads.
@@joes610 thanks for your answer
I have the 2019 F150 platinum 3.5 ecoboost
I have no idea if it comes with the standard payload standard.... How would I know that?
It has 3 spring leafs
Thanks for your help
Correction.... I have 2 spring leafs and the other one below.... Same as yours
Thanks!
why cant you tack weld them together
The leaves slide across one other as they flex.
Also, springs are made out of hardened/ tempered steel and welding them will affect their spring qualities and micro cracks will start forming which will cause springs to fail around the weld area.
Did you replace your driveshaft?
No. I no longer have the truck, but that was the original driveshaft for my whole ownership.
Will the black ones fit a 2015 f150? On the ford site it says 17-20 but they look exactly the same
I am fairly certain that 2015-2020 truck springs and pads are all the same. My understanding is sometimes Ford's part numbers will change due to a different supplier even if there's no actual change to the part.
@@joes610 Thank you 👍🏼
How do you like the black sumo springs
I'm happy with them. They do impact the ride a bit since they are so close to contacting the axle even completely unloaded. I don't think it's harsh or anything, just a little more stiff than factory. I don't usually tow more than 6000 lbs. I have a small car hauler with a GVW of 6000 lbs and I tend to be in the 5500-6000 range with a vehicle or two tons of pellets on it. They handle that very well without a weight distribution hitch. They handle the weight of my ATV well too - which is probably a similar weight in the bed to what the tongue weight would be when towing 6k.
What about the two on the bottom spring?
That's an overload spring, so it won't usually contact the other springs. You'd need to be carrying quite a bit of weight for that to be an issue.
@@joes610 OK thanks.
Where’d you get the isolater pads
Any Ford dealer should be able to get them, or you can order them online. Just search for FL3Z-5586-B. I used white pads in this video, but actually have had better luck with the black ones (the "B" part number).
@@joes610thanks for this video. I just got a 2019 with 70k miles. I haven’t had it long. But I’ve noticed over the last couple of days I hear a clanking or sort of a banging like noise from the rear. I hear it at various speeds while driving and going over bumps and in curves. Maybe this is the cause. I hope that’s all it is. I will look into doing this seeing how easy it is. Thanks for the video.
I just took mine to the dealer to trouble shoot the popping rear end noise. They said I need new leaf springs for $3100.00
I’m thinking new isolator pads may fix it?
Thanks for the video.
I’ve also heard some aftermarket pads may fix it from ATQ? Not sure if you’ve heard about this.
BTW. Mine is at 38000 miles. I tow about 1/4 of those miles. The truck has made the noise for a long while, just gotten much worse recently.
Most of what I've read about the ATQs has been negative. Plus the price is much higher than the Ford ones. I go through a set of these every 30k or so.
Just came from a 2007 all new to me picked up a 2017 how I can describe the noise is worn stabilizer links that are not there the same noise. My dealer that was my previous employer says there is two pads white or black is it advantageous to install all black pads or just go with the white in the back and black in the front as the OEM did.
I have had better luck with the black pads. Not sure why, but whenever I've tried white pads I go through them much more quickly.