Warranty & Support4 min read

Post-Install Transmission Troubleshooting Hub

Q: Where do I activate warranty?

[14-day activation rule](/blog/warranty-activation-14-day-rule) · account order page

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Expedia Protection

Up to 5-year warranty on reman and used parts when fitment is verified.

See warranty details →

Expedia Protection

Up to 5-year warranty on reman and used parts when fitment is verified.

See warranty details →

Expedia Protection

Up to 5-year warranty on reman and used parts when fitment is verified.

See warranty details →

Start here when a reman transmission misbehaves after install — no-shift, slip, leak, reflash, and cooler flush guides with warranty prep links.

Quick Answer

Use this hub when a **reman transmission** acts up after install. Start with vehicle-side checks (fluid hot level, reflash, cooler flush) before assuming a defective unit — and call warranty for **pre-authorization** before removal.

P1 — symptom guides (start here)

[Won’t shift after install](/blog /reman-transmission-wont-shift-after-install)
[Slip and shudder after replacement](/blog /transmission-slip-and-shudder-after-replacement)
[Fluid leaks after replacement](/blog /transmission-fluid-leaks-after-replacement)
[Reman transmission failed within 500 miles](/blog /reman-transmission-failed-within-500-miles)
[First 3,000 miles setup checklist](/blog /first-3000-miles-after-reman-transmission-install)
[Check engine light within 500 miles](/blog /check-engine-light-within-500-miles-reman-transmission)
[Transmission leaks in first 500 miles](/blog /transmission-leaks-first-500-miles-after-install)

P2 — deeper diagnosis

[When your transmission needs a reflash](/blog /when-transmission-needs-reflash)
[Torque converter shudder vs bad transmission](/blog /torque-converter-shudder-vs-bad-transmission)
[Valve body or software issue](/blog /valve-body-issue-or-software-issue)
[Flush the cooler before install](/blog /flush-transmission-cooler-before-install)

Before you file a claim

[Pre-authorization before removing the unit](/blog /pre-authorization-before-removing-unit)
[Documents required for a warranty claim](/blog /documents-required-warranty-claim)
[Warranty policy](/warranty)

FAQ

Should we remove the transmission to diagnose?

Call warranty first — document checks and get pre-auth before R&R.

Where do I activate warranty?

[14-day activation rule](/blog /warranty-activation-14-day-rule) · account order page

Related on Expedia Parts

Warranty policy and Expedia Protection: /warranty
Warranty activation — 14-day rule: /blog /warranty-activation-14-day-rule
Pre-authorization before removing the unit: /blog /pre-authorization-before-removing-unit
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