{"count":1,"message":"Results returned successfully","results":[{"odiNumber":11721177,"manufacturer":"Jaguar Land Rover North America, LLC","crash":false,"fire":false,"numberOfInjuries":0,"numberOfDeaths":0,"dateOfIncident":"02/28/2026","dateComplaintFiled":"02/28/2026","vin":"SALEXEEU4L2","components":"ENGINE","summary":"I am reporting a systemic failure of exhaust manifold retaining bolts on the 2020 Land Rover Defender (L663, P400 engine). While removing the engine skid plate, I discovered a fractured exhaust manifold bolt that had fallen down. The bolt head had separated, leaving the threaded portion in the cylinder head. There are I believe 12 manifold bolts securing the integrated exhaust manifold/turbocharger assembly, & multiple owners have documented similar failures, including cases with multiple broken bolts on one vehicle.  The exhaust manifold is integrated with the turbocharger and is part of the emissions control pathway. This assembly operates at extremely high temps. Based on the pattern of failures, repeated thermal cycling and inadequate fastener material appear to cause bolt fatigue and fracture.  When bolts break, proper clamping force is lost and hot exhaust gases escape directly into the engine compartment rather than remaining sealed within the manifold/turbo assembly.  This presents serious safety concerns:  Fire risk: Escaping exhaust gases from a turbocharged engine can exceed 1,000\u00b0F. These gases are released near wiring, plastic components, insulation, and other materials. Loss of sealing increases the risk of localized overheating and engine compartment fire.  Exhaust gas intrusion: Exhaust leaks at the manifold can allow exhaust gases to enter the passenger compartment.  Emissions defect: As this leak occurs upstream of emissions control components, unmetered exhaust gases escape before entering the emissions system, affecting federally regulated emissions compliance.  This costs thousands to fix and owners are going to ignore it due to cost & unawareness.   Multiple vehicles across varying mileages have experienced this issue, suggesting a systemic design or material defect rather than normal wear. Exhaust manifold fasteners should not fracture under normal operating conditions on a vehicle with 30,000 miles.","products":[{"type":"Vehicle","productYear":"2020","productMake":"LAND ROVER","productModel":"DEFENDER","manufacturer":"Jaguar Land Rover North America, LLC"}]}]}