Purchase vs Failure Mileage in Drivetrain Claims
Transmission: purchase ~153k, fail ~169k, 570 mi since install median. Engine: purchase ~150k, fail ~163k, 278 mi since install. Compare odometer contexts.
Quick Answer
**Transmission**: median **purchase ~153k mi**, **failure ~169k mi**, **570 mi since install** to claim. **Engine**: **purchase ~150k mi**, **failure ~163k mi**, **278 mi since install**. **Miles since install** matters more for warranty review than purchase mileage alone.
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What Does This Article Cover?
- **Median purchase mileage** and claim patterns across compared cohorts - **Named model examples** with sales volume and mileage bands - Why some applications cluster **earlier or later** in miles - **Reman vs used** or make-comparison context where relevant - What to prepare **before ordering** and document after install ## What Odometer Readings Appear in Claims Data?
| Vertical | Median purchase mi | Median failure mi | Median mi since install | |----------|-------------------:|------------------:|------------------------:| | **Transmission** | **~153,000** | **~169,000** | **570 mi** | | **Engine** | **~150,000** | **~163,000** | **278 mi** |
Why Is Miles-Since-Install the Critical Field?
Early window dominates — 0–500 mile hub: /blog/drivetrain-claims-first-500-miles-after-install (**1,029 trans + 324 engine** claims).
What Should Owners Record at Purchase and at Symptom?
| Reading | When | |---------|------| | Odometer at delivery | Activation + baseline | | Odometer at symptom | Claim intake | | Miles since install | Derived — must match invoices |
What Should You Document If Problems Start Soon After Install?
Many transmission warranty reviews involve the **first 500 miles** after install — often fluid, cooler flow, seals, or programming — regardless of pre-replacement mileage.
Before any unit is removed under warranty:
- Odometer photos at delivery and at symptom onset
- Scan tool report (stored and pending codes)
- Fluid type, level, and condition notes
- Install invoice with date and shop name
- Photos of leaks **before** cleanup
Full checklist: required documents for a warranty claim: /blog/documents-required-warranty-claim · drivetrain claims in the first 500 miles: /blog/drivetrain-claims-first-500-miles-after-install
> Before any unit is removed or replaced, document the symptom, save scan results or inspection notes, and contact support with the installation details so the issue can be reviewed accurately.
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FAQ
What is median transmission purchase mileage?
**~153,000 mi** at order.
What is median transmission failure mileage?
**~169,000 mi** on claimed units in export.
Miles since install for transmission claims?
**570 mi** median.
Engine miles since install?
**278 mi** median.
Early failure hub?
Drivetrain claims first 500 miles: /blog/drivetrain-claims-first-500-miles-after-install.
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Related on Expedia Parts
- Warranty policy and Expedia Protection: /warranty
- Warranty activation — 14-day rule: /blog/warranty-activation-14-day-rule
- Documents required for a warranty claim: /blog/documents-required-warranty-claim
- Reman transmission won’t shift after install: /blog/reman-transmission-wont-shift-after-install
- When your transmission needs a reflash: /blog/when-transmission-needs-reflash
- Engine won’t start after install: /blog/engine-wont-start-after-install
