Complete YD25 Head Gasket Removal | Step-by-Step Guide | Nissan Pathfinder R51 & Navara D40

In this detailed, step-by-step guide, I show you the complete nut-and-bolt removal of the cylinder head and head gasket on a Nissan YD25DDTi engine, found in the Pathfinder R51 and Navara D40. REBUILD VIDEO HERE:    • Nissan YD25 First Start - Pathfinder R51 &...   This is the full, long-form video showing every step of the teardown. If you have a blown head gasket, overheating, or coolant loss on your YD25, this is the tutorial for you. 0:00 - Intro & initial instructions 1:30 - Tools Needed for the Job 4:05 - Symptoms of Blown Head Gasket 8:05 - Bonnet / Hood removal 8:20 - Cleaning the engine first 9:15 - Battery out 10:05 - Coolant drain 11:23 - Radiator Hoses and Drive belts 21:40 - Vacuum pipes 25:43 - Air inlet and throttle body 27:48 - EGR valve 34:00 - Injector pipes 36:30 - Inlet manifold & Fuel rail 39:00 - Fuel Filter 51:40 - Alternator removal 58:16 - Camshaft sensor 59:25 - EGR pipe removal 1:02:00 - Inlet manifold removal part 2 1:10:31 - oil filter removal 1:15:15 - Turbo Removal 1:26:08 - Exhaust Manifold removal 1:28:57 - Timing chain cover 1:35:26 - Timing chain marking and removal 1:45:47 - Injectors removal 1:55:16 - Camshaft gear removal 2:01:03 - Rear head plate removal 2:05:03 - Camshafts removal 2:10:24 - Loosening & Removing Head Bolts (CRITICAL Order) 2:12:48 - Lifting the Cylinder Head Off the Block 2:13:30 - First Look at the Old Head Gasket & Piston Tops This guide is for the 2.5L YD25DDTi turbo diesel engine. Common vehicle models this applies to: Nissan Pathfinder R51 (2005 - 2012) Nissan Navara D40 (2005 - 2015) Nissan Frontier D40 Common Problems / Search Terms: Blown head gasket, YD25 overheating, coolant in oil, white smoke from exhaust, cracked cylinder head, YD25 head gasket replacement, Nissan diesel repair, Pathfinder head removal, Navara D40 head gasket job. Disclaimer: Always consult a professional repair manual. This video is for entertainment and informational purposes only. I am not responsible for any damage or injury that may result from your attempt to perform this repair. Work safely. #NissanNavara #PathfinderR51 #YD25 #HeadGasket #DIYMechanic