RootCause👤‹ New case · What’s happening
2015 Ford F-150 · “the truck”
5.0L Coyote V8 · 214,864 mi
Pack: Ford Coyote 5.0Documented case
Coolant loss · warning active
Before anyone theorizes, RootCause collects what already exists.
‹ Build the case file · Worst case
$3,900
Head-gasket territory — the scary quote.
What you’re afraid it is
‹ Consult · Working hypotheses
Head gasket failure$3,900
Cracked cylinder head$2,400
Failed water pump$820
Cracked coolant T-fittinglikely
‹ Verdict
Cracked coolant T-fitting
That’s it. A small plastic part.
Don’t buy · head gasket · cylinder head · water pump
‹ Verdict · dealer-confirmed
$3,900
$684.90
Saved $3,215.10
✓
Case closed — $684.90
🖨 Print for your mechanic
Back to garage
It starts here
A symptom, a warning light, a worried moment.
The fear
The quote you’re afraid of.
The method
Evidence rules the scary options out — one by one.
The truth
The real cause: a cracked T-fitting.
The payoff
The real number — not a guess.