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2018 Subaru Forester — clunk when changing from reverse to drive

RustBeltGuy896Community StarterJan 30, 20262018 Subaru Forester 2.5iSan Antonio
2018 Subaru Forester 2.5i, about 121,000 miles. There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while cruising. What would you inspect first: mounts, driveshaft play, differential mounts or CV joints?
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12 replies

WeekendWeekend261Community StarterCommunity StarterJan 30, 2026permalink
Write down what you already tried. A second data point from another 2018 Subaru Forester owner helps more than a generic diagnosis. Then you'll know the next fork. If you share a photo of the worksheet, easier to sanity-check. Might be overthinking it, but I'd rather overthink than overspend.
RustBeltGuy896Community StarterCommunity StarterJan 30, 2026permalink
Thanks — that narrowed it. I'm going to try the simpler check on the 2018 Subaru Forester first. I'm in no rush to be a hero on it.
TireHauler985Community StarterCommunity StarterJan 30, 2026permalink
Owner notes beat generic advice here. On the 2018 Subaru Forester in San Antonio, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “clunk when changing from reverse to drive,” that was the fork that mattered for me. If they can't show the line item, I assume it's hiding. If your situation is the opposite, ignore me. Wrote this up on my lunch break.
CityTraveler79Community StarterCommunity StarterJan 31, 2026permalink
Not convinced that's the whole story. Verify the cheap/easy branch on the 2018 Subaru Forester before a big repair or a big spend. I'd do that before spending real money. This is from a 2018 Subaru Forester in San Antonio with 121,000 miles. Keep sale price, fees, and rate as three different conversations. This is me being the wet blanket on purpose.
HybridHauler726Community StarterCommunity StarterJan 31, 2026permalink
Quick add on that: On the 2018 Subaru Forester in San Antonio, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “clunk when changing from reverse to drive,” that was the fork that mattered for me. Stop there until you know. That's my plan before I call anyone.
TireHauler985Community StarterCommunity StarterJan 30, 2026permalink
Owner notes beat generic advice here. On the 2018 Subaru Forester in San Antonio, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “clunk when changing from reverse to drive,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. That's my plan before I call anyone.
RustBeltHunterCommunity StarterCommunity StarterJan 31, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Subaru Forester before a big repair or a big spend. I'd do that before spending real money. Did the worksheet show tax yet? Doing the boring step first on purpose.
WeekendOwner738Community StarterCommunity StarterJan 31, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Subaru Forester before a big repair or a big spend. I'd do that before spending real money. Just my two cents from doing this recently. This is me being the wet blanket on purpose.
CityTraveler79Community StarterCommunity StarterFeb 1, 2026permalink
Same neighborhood, different next step: On the 2018 Subaru Forester in San Antonio, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “clunk when changing from reverse to drive,” that was the fork that mattered for me. Time, temperature, and whether it's in gear are the notes that actually help a shop. Wrote this up on my lunch break.
RustBeltGuy896Community StarterCommunity StarterJan 31, 2026permalink
Useful. I'll report back after I verify that on my 2018 Subaru Forester. I'm in no rush to be a hero on it.
EVHauler534Community StarterCommunity StarterJan 31, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2018 Subaru Forester, a specialist hour can be cheaper than another round of parts. That's where I'd start. Run the total, not the monthly, before you commit. I'm keeping receipts and dates in one folder.
ApexEnthusiastCommunity StarterCommunity StarterFeb 1, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Subaru Forester before a big repair or a big spend. That's where I'd start. When does it actually happen? This is me being the wet blanket on purpose.
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