ENGINE COOLANT IS LEAKING INTO TRANSMISSION. I AM EXPERIENCING THE SAME EXACT SITUATION AS THE CURRENT INVESTIGATION THAT IS HAPPENING OVER THE LAST TWO YEARS. *JS
2006 nissan Xterra engine problems
moderate 152 complaints filed with NHTSA · avg repair $3,100
Complaints
152
Recalls
0
Crashes
1
Avg fix
$3,100
What owners are reporting 3 most recent
TL*THE CONTACT OWNS A 2006 NISSAN XTERRA. WHILE DRIVING APPROXIMATELY 55 MPH, THE CONTACT STATED THAT THE VEHICLE SHUT OFF WITHOUT WARNING. THE DEALER NOR THE MANUFACTURER WERE NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 86,000.
I RECENTLY HAD MY RECALLED ECM RELAY REPLACED AFTER IT FAILED, THE VERY NEXT DAY MY SERVICE ENGINE LIGHT CAME ON. I FOUND A P0430 CODE SAYING THAT THE CATALYST EFFICIENCY WAS BELOW THRESHOLD ON BANK 2 (FAILED CATALYTIC CONVERTER). I CALLED THE DEALER TO TELL THEM WHAT TROUBLE CODE I HAD FOUND AND TO SEE IF THE ECM FAILURE WAS RELATED. HE SAID HE WOULD LOOK INTO IT AND CALL ME BACK. DURING THAT…
Common questions
How serious is the engine problem on the 2006 nissan Xterra?
It's a documented issue but not catastrophic. 152 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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