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2024 Ford F-150 — rear end still feels floaty after new shocks — New York owner

LongMilesGal452Community StarterJul 24, 20262024 Ford F-150 Lariat 3.5 EcoBoostNew York
2024 Ford F-150 Lariat 3.5 EcoBoost, about 23,000 miles. Shocks were replaced and there are no obvious loose parts, but the rear still feels vague over highway undulations. What alignment, bushing, tire or installation issues could mimic worn dampers? I am in New York. What would you check next?
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42 replies

HybridDetailer875Community StarterCommunity StarterJul 24, 2026permalink
Ask what changed right before it started. Loaded-suspension checks on the 2024 Ford F-150 catch play that a wheels-hanging inspection misses. Don't erase codes until someone who can help has seen them. This is from a 2024 Ford F-150 in New York with 23,000 miles. Just my two cents from doing this recently. Heat soak after errands is the other window.
NoMarkupCamper583Community StarterCommunity StarterJul 24, 2026permalink
Intermittent stuff lies if you only catch it once. Loaded-suspension checks on the 2024 Ford F-150 catch play that a wheels-hanging inspection misses. Save the big job until that test fails. On “150 — rear end still feels floaty,” that was the fork that mattered for me. That's the sequence I'd use. I'd rather pay for diagnosis than a second guess-repair.
FlatSixFanCommunity StarterCommunity StarterJul 24, 2026permalink
I'd push back a little: Swap the cheap/easy piece first on the 2024 Ford F-150 and see if the fault moves. If the cheap test changes it, stop and reassess. This is from a 2024 Ford F-150 in New York with 23,000 miles. That's the whole play. Make the next action something you can finish this week. If the story changes I'll post the new data.
HighwayGeek802Community StarterCommunity StarterJul 24, 2026permalink
Start with the test that can prove you wrong. Get a real battery/charging test on the 2024 Ford F-150, not just resting voltage, before blaming a module. If the cheap test changes it, stop and reassess. This is from a 2024 Ford F-150 in New York with 23,000 miles. Verbal 'we'll take care of it' is not a plan. Next check is the cheap one I can do in a driveway.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
Update: the cheap test changed the symptom, so I'm not throwing parts yet. Checking again after work.
MarketWrenchCommunity StarterCommunity StarterJul 24, 2026permalink
I wouldn't throw parts yet. Capture voltage while the 2024 Ford F-150 is actually failing — after it restarts you've lost the clue. Save the big job until that test fails. I'd want a dollar figure or a measured spec, not 'should be fine.' Worth doing even if the car feels fine right now. Parking it somewhere I can hear it better next time.
NewCarMiles252Community StarterCommunity StarterJul 24, 2026permalink
Intermittent stuff lies if you only catch it once. Get a real battery/charging test on the 2024 Ford F-150, not just resting voltage, before blaming a module. You'll know quickly if you're on the wrong tree. On “150 — rear end still feels floaty,” that was the fork that mattered for me. Post the numbers (or the code) and people can get more specific. I'm keeping receipts and dates in one folder.
MarketDIYer793Community StarterCommunity StarterJul 25, 2026permalink
I hear you, though I'd still want a second check. Two 2024 Ford F-150s can feel identical and have different causes, so measure before you copy someone else's repair. If the cheap test changes it, stop and reassess. Have you gotten a second quote in writing? Might be overthinking it, but I'd rather overthink than overspend.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
Tried a second charger / second scan and the story on the 2024 Ford F-150 didn't change. Cold start is when I can actually reproduce it.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
Tried a second charger / second scan and the story on the 2024 Ford F-150 didn't change. If the story changes I'll post the new data.
CityWeekend789Community StarterCommunity StarterJul 24, 2026permalink
If it were in my driveway, loaded-suspension checks on the 2024 Ford F-150 catch play that a wheels-hanging inspection misses. Save the big job until that test fails. If they can't show the line item, I assume it's hiding. No warning lights, which is why I'm documenting it.
CityWeekend789Community StarterCommunity StarterJul 24, 2026permalink
Intermittent stuff lies if you only catch it once. Write temp, speed, and in-gear vs coast when the 2024 Ford F-150 does it — then decide on parts. If the cheap test changes it, stop and reassess. On “150 — rear end still feels floaty,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. If the story changes I'll post the new data.
ProjectGarageCommunity StarterCommunity StarterJul 24, 2026permalink
I'd want a measurement, not a hunch. Move a coil or plug on the 2024 Ford F-150 if it's cylinder-specific and see whether the code follows. Don't erase codes until someone who can help has seen them. I'd want that in writing, not as a promise. I'd sleep better after that step, even if it finds nothing. If it repeats twice more I'll book time.
PistonScout650Community StarterCommunity StarterJul 25, 2026permalink
Same neighborhood, different next step: If a shop can't duplicate it on the 2024 Ford F-150, bring a video plus freeze-frame data, not just a story. You'll know quickly if you're on the wrong tree. If it doesn't change the out-the-door or the repair estimate, it's noise. I'd sleep better after that step, even if it finds nothing. Might be overthinking it, but I'd rather overthink than overspend.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
Tried a second charger / second scan and the story on the 2024 Ford F-150 didn't change. I'm in no rush to be a hero on it.
HighwayGeek802Community StarterCommunity StarterJul 25, 2026permalink
I hear you, though I'd still want a second check. Get a real battery/charging test on the 2024 Ford F-150, not just resting voltage, before blaming a module. You'll know quickly if you're on the wrong tree. If they can't show the line item, I assume it's hiding. If this is nothing, great. I want that in data.
MarketDIYer793Community StarterCommunity StarterJul 24, 2026permalink
Log the conditions before you spend. Loaded-suspension checks on the 2024 Ford F-150 catch play that a wheels-hanging inspection misses. That's the branch I'd chase this week. On “150 — rear end still feels floaty,” that was the fork that mattered for me. Have you gotten a second quote in writing? This is the filter I use when the thread starts repeating itself. Checking again after work.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
I went back under the 2024 Ford F-150 and it only happens after a heat soak, not on a cold start. That's my plan before I call anyone.
HighwayGeek802Community StarterCommunity StarterJul 24, 2026permalink
Intermittent stuff lies if you only catch it once. Write temp, speed, and in-gear vs coast when the 2024 Ford F-150 does it — then decide on parts. You'll know quickly if you're on the wrong tree. On “150 — rear end still feels floaty,” that was the fork that mattered for me. I'd want that in writing, not as a promise. I'll poke at it this weekend.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
OP here — recorded a short video and noted speed, temp, and whether it was in gear. Wrote this up on my lunch break.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
I went back under the 2024 Ford F-150 and it only happens after a heat soak, not on a cold start. I'd rather pay for diagnosis than a second guess-repair.
TrackCommuter97Community StarterCommunity StarterJul 26, 2026permalink
I hear you, though I'd still want a second check. A pressure test beats staring at a dry driveway if the 2024 Ford F-150 is losing coolant with no puddle. Don't erase codes until someone who can help has seen them. On “150 — rear end still feels floaty,” that was the fork that mattered for me. This is from a 2024 Ford F-150 in New York with 23,000 miles. I'd want a dollar figure or a measured spec, not 'should be fine.' If your situation is the opposite, ignore me. Cold start is when I can actually reproduce it.
LongMilesGal452Community StarterCommunity StarterJul 24, 2026permalink
Checked the easy stuff on the 2024 Ford F-150 and found one clue worth chasing before I book a shop. Not interested in a five-hour wait for a shrug.
MarketHauler673Community StarterCommunity StarterJul 24, 2026permalink
If it were in my driveway, if a shop can't duplicate it on the 2024 Ford F-150, bring a video plus freeze-frame data, not just a story. That's the branch I'd chase this week. If it doesn't change the out-the-door or the repair estimate, it's noise. Wrote this up on my lunch break.
MarketWrenchCommunity StarterCommunity StarterJul 25, 2026permalink
Log the conditions before you spend. Swap the cheap/easy piece first on the 2024 Ford F-150 and see if the fault moves. That's the branch I'd chase this week. On “150 — rear end still feels floaty,” that was the fork that mattered for me. This is from a 2024 Ford F-150 in New York with 23,000 miles. I'd want a dollar figure or a measured spec, not 'should be fine.' If your situation is the opposite, ignore me. This is the version I'd tell a friend.
TruckLearner280Community StarterCommunity StarterJul 26, 2026permalink
Fair point. Counterpoint: Swap the cheap/easy piece first on the 2024 Ford F-150 and see if the fault moves. Save the big job until that test fails. This is from a 2024 Ford F-150 in New York with 23,000 miles. If they can't show the line item, I assume it's hiding. Parking it somewhere I can hear it better next time.
CanyonOwner864Community StarterCommunity StarterJul 27, 2026permalink
Quick add on that: Capture voltage while the 2024 Ford F-150 is actually failing — after it restarts you've lost the clue. Don't erase codes until someone who can help has seen them. I'd want that in writing, not as a promise. Only after sitting overnight so far.
MarketWrenchCommunity StarterCommunity StarterJul 25, 2026permalink
I'd want a measurement, not a hunch. A pressure test beats staring at a dry driveway if the 2024 Ford F-150 is losing coolant with no puddle. Save the big job until that test fails. This is from a 2024 Ford F-150 in New York with 23,000 miles. If it doesn't change the out-the-door or the repair estimate, it's noise. I'd sleep better after that step, even if it finds nothing. No warning lights, which is why I'm documenting it.
HighwayGeek802Community StarterCommunity StarterJul 25, 2026permalink
Ask what changed right before it started. Get a real battery/charging test on the 2024 Ford F-150, not just resting voltage, before blaming a module. Save the big job until that test fails. This is from a 2024 Ford F-150 in New York with 23,000 miles. If they can't show the line item, I assume it's hiding. Cold start is when I can actually reproduce it.
NewCarMiles252Community StarterCommunity StarterJul 25, 2026permalink
Ask what changed right before it started. Write temp, speed, and in-gear vs coast when the 2024 Ford F-150 does it — then decide on parts. Don't erase codes until someone who can help has seen them. If you share a photo of the worksheet, easier to sanity-check. That's coming from doing this as an owner, not a shop. I keep a notes app thread for this now.
HighwayCommuter400Community StarterCommunity StarterJul 25, 2026permalink
Asking because it changes the advice: Get a real battery/charging test on the 2024 Ford F-150, not just resting voltage, before blaming a module. Save the big job until that test fails. Verbal 'we'll take care of it' is not a plan. I refuse to clear codes until someone else sees them.
FlatSixFanCommunity StarterCommunity StarterJul 25, 2026permalink
If it were in my driveway, if a shop can't duplicate it on the 2024 Ford F-150, bring a video plus freeze-frame data, not just a story. That's the branch I'd chase this week. That's the whole play. No warning lights, which is why I'm documenting it.
MarketWrenchCommunity StarterCommunity StarterJul 25, 2026permalink
Log the conditions before you spend. If a shop can't duplicate it on the 2024 Ford F-150, bring a video plus freeze-frame data, not just a story. You'll know quickly if you're on the wrong tree. On “150 — rear end still feels floaty,” that was the fork that mattered for me. If it doesn't change the out-the-door or the repair estimate, it's noise. If that fails I'll eat the diagnostic fee.
CityWeekend789Community StarterCommunity StarterJul 26, 2026permalink
I'd push back a little: Capture voltage while the 2024 Ford F-150 is actually failing — after it restarts you've lost the clue. You'll know quickly if you're on the wrong tree. If they can't show the line item, I assume it's hiding. If that fails I'll eat the diagnostic fee.
ApexSeller168Community StarterCommunity StarterJul 28, 2026permalink
Same neighborhood, different next step: Move a coil or plug on the 2024 Ford F-150 if it's cylinder-specific and see whether the code follows. Don't erase codes until someone who can help has seen them. On “150 — rear end still feels floaty,” that was the fork that mattered for me. Stop there until you know. If your situation is the opposite, ignore me. Not interested in a five-hour wait for a shrug.
TrackCommuter97Community StarterCommunity StarterJul 29, 2026permalink
Asking because it changes the advice: Two 2024 Ford F-150s can feel identical and have different causes, so measure before you copy someone else's repair. Save the big job until that test fails. Run the total, not the monthly, before you commit. I'd rather pay for diagnosis than a second guess-repair.
MarketWrenchCommunity StarterCommunity StarterJul 29, 2026permalink
I'd push back a little: Get a real battery/charging test on the 2024 Ford F-150, not just resting voltage, before blaming a module. If the cheap test changes it, stop and reassess. I'd want a dollar figure or a measured spec, not 'should be fine.' Cold start is when I can actually reproduce it.
TruckLearner280Community StarterCommunity StarterJul 25, 2026permalink
Log the conditions before you spend. Swap the cheap/easy piece first on the 2024 Ford F-150 and see if the fault moves. If the cheap test changes it, stop and reassess. On “150 — rear end still feels floaty,” that was the fork that mattered for me. If they can't show the line item, I assume it's hiding. Not interested in a five-hour wait for a shrug.
ApexSeller168Community StarterCommunity StarterJul 26, 2026permalink
I'd push back a little: Capture voltage while the 2024 Ford F-150 is actually failing — after it restarts you've lost the clue. You'll know quickly if you're on the wrong tree. Do that first. Not driving it hard until I know more.
MarketHauler673Community StarterCommunity StarterJul 27, 2026permalink
Asking because it changes the advice: Get a real battery/charging test on the 2024 Ford F-150, not just resting voltage, before blaming a module. If the cheap test changes it, stop and reassess. Run the total, not the monthly, before you commit. That's coming from doing this as an owner, not a shop. If that fails I'll eat the diagnostic fee.
MarketHauler673Community StarterCommunity StarterJul 27, 2026permalink
Not convinced that's the whole story. Swap the cheap/easy piece first on the 2024 Ford F-150 and see if the fault moves. Save the big job until that test fails. Run the total, not the monthly, before you commit. I've seen both outcomes, which is why I'd test instead of assume. I'd rather look cautious in this thread than stuck later.
ProjectGarageCommunity StarterCommunity StarterJul 25, 2026permalink
I wouldn't throw parts yet. If a shop can't duplicate it on the 2024 Ford F-150, bring a video plus freeze-frame data, not just a story. That's the branch I'd chase this week. Verbal 'we'll take care of it' is not a plan. I'll poke at it this weekend.
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