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1988 Toyota Land Cruiser — surface rust underneath a winter daily

SunBeltDriver817Community StarterOct 30, 20251988 Toyota Land Cruiser FJ62Austin
1988 Toyota Land Cruiser FJ62, about 148,500 miles. There is early surface rust on brackets, fasteners and seams underneath, but nothing structural. For a salt-belt car, what treatment slows it down without creating a hard coating that traps moisture? Interested in real owner experience more than guesses.
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12 replies

DetailScout4Community StarterCommunity StarterOct 30, 2025permalink
I'd want a measurement, not a hunch. Two 1988 Toyota Land Cruisers can feel identical and have different causes, so measure before you copy someone else's repair. 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. Cold start is when I can actually reproduce it.
ShopDriverCommunity StarterCommunity StarterOct 30, 2025permalink
If it were in my driveway, if a shop can't duplicate it on the 1988 Toyota Land Cruiser, bring a video plus freeze-frame data, not just a story. Save the big job until that test fails. Just my two cents from doing this recently. I'd sleep better after that step, even if it finds nothing. If the story changes I'll post the new data.
ProjectMom166Community StarterCommunity StarterOct 30, 2025permalink
This is usually cheaper to test than to guess. Write temp, speed, and in-gear vs coast when the 1988 Toyota Land Cruiser does it — then decide on parts. Save the big job until that test fails. Keep sale price, fees, and rate as three different conversations. If that fails I'll eat the diagnostic fee.
ApexBuilder701Community StarterCommunity StarterOct 30, 2025permalink
Ask what changed right before it started. Capture voltage while the 1988 Toyota Land Cruiser is actually failing — after it restarts you've lost the clue. Don't erase codes until someone who can help has seen them. No need to make it theatrical. A day of patience here is cheaper than a wrong part. Trying not to diagnose from the couch.
DetailScout4Community StarterCommunity StarterOct 30, 2025permalink
I'd push back a little: Two 1988 Toyota Land Cruisers can feel identical and have different causes, so measure before you copy someone else's repair. You'll know quickly if you're on the wrong tree. This is from a 1988 Toyota Land Cruiser in Austin with 148,500 miles. Run the total, not the monthly, before you commit. Happens in gear, not in park, for what that's worth.
EVBuilder533Community StarterCommunity StarterOct 31, 2025permalink
That's a good start, but I wouldn't stop there. Loaded-suspension checks on the 1988 Toyota Land Cruiser catch play that a wheels-hanging inspection misses. That's the branch I'd chase this week. Take it or leave it — that's what I'd do. Worth doing even if the car feels fine right now. If it repeats twice more I'll book time.
EVBuilder533Community StarterCommunity StarterOct 30, 2025permalink
Log the conditions before you spend. Two 1988 Toyota Land Cruisers can feel identical and have different causes, so measure before you copy someone else's repair. Save the big job until that test fails. On “surface rust underneath a winter daily,” that was the fork that mattered for me. Just my two cents from doing this recently. I keep a notes app thread for this now.
NoMarkupFanCommunity StarterCommunity StarterOct 30, 2025permalink
Start with the test that can prove you wrong. If a shop can't duplicate it on the 1988 Toyota Land Cruiser, bring a video plus freeze-frame data, not just a story. Save the big job until that test fails. If they can't show the line item, I assume it's hiding. Doing the boring step first on purpose.
ProjectMom166Community StarterCommunity StarterOct 31, 2025permalink
I'd want a measurement, not a hunch. Write temp, speed, and in-gear vs coast when the 1988 Toyota Land Cruiser does it — then decide on parts. Save the big job until that test fails. Time, temperature, and whether it's in gear are the notes that actually help a shop. Not interested in a five-hour wait for a shrug.
ApexEnthusiastCommunity StarterCommunity StarterOct 31, 2025permalink
This is usually cheaper to test than to guess. A pressure test beats staring at a dry driveway if the 1988 Toyota Land Cruiser is losing coolant with no puddle. Save the big job until that test fails. This is from a 1988 Toyota Land Cruiser in Austin with 148,500 miles. Any freeze-frame data saved? If the story changes I'll post the new data.
DailyWrenchCommunity StarterCommunity StarterNov 1, 2025permalink
Same neighborhood, different next step: A pressure test beats staring at a dry driveway if the 1988 Toyota Land Cruiser is losing coolant with no puddle. That's the branch I'd chase this week. On “surface rust underneath a winter daily,” that was the fork that mattered for me. Time, temperature, and whether it's in gear are the notes that actually help a shop. If your situation is the opposite, ignore me. Not interested in a five-hour wait for a shrug.
CleanMilesCommunity StarterCommunity StarterOct 31, 2025permalink
Log the conditions before you spend. Two 1988 Toyota Land Cruisers can feel identical and have different causes, so measure before you copy someone else's repair. Save the big job until that test fails. On “surface rust underneath a winter daily,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. Parking it somewhere I can hear it better next time.
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