How to install the cylinder head gasket on Toyota Tundra?

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Installation of 1GR-FE cylinder head gaskets begins with removing old FIPG packing while preventing contact surfaces of the cylinder head and cylinder block from getting contaminated by oil. Seal Packing Black from Toyota Genuine should be applied to a new cylinder head gasket together with Three Bond 1207B or equivalent material with a standard seal diameter between 2.5 and 3.0 mm (0.0984 to 0.118 in.) before installing the gasket within three minutes of application while avoiding contact with engine oil for two hours post-installation. When installing the cylinder head gasket onto the cylinder block, put the front face of the Lot No. stamp upward while maintaining the correct installation orientation. The cylinder head sub-assembly RH installation should be followed by No. 1 and No. 2 camshaft bearings while also installing No. 1 and No. 2 camshafts with maintenance of camshaft level positioning to avoid damage during assembly. Place the components together with the No. 1 cylinder cam lobes facing correct directions while utilizing the crankshaft pulley set bolt for positioning and applying light engine oil on camshaft journals and thrust portions. After applying engine oil to the 8 bearing caps the technician should install them correctly before adding oil to the threads and under the heads of the 16 bearing cap bolts while following a specific torque sequence of 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm head bolts and 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm head bolts. The mechanics will rotate the camshafts in a clockwise direction so the camshaft knock pin faces directly at a 90-degree angle toward the cylinder head. After installing the manifold front sub-assembly and connecting all oil cooler hoses, you should proceed with the installation of the No. 2 chain tensioner assembly, camshaft timing gears, No. 2 chain, chain tensioner slipper, No. 1 chain tensioner assembly, No. 1 chain, No. 2 chain vibration damper, No. 1 idle gear shaft, front crankshaft oil seal, timing chain cover sub-assembly, oil filter bracket sub-assembly, water inlet housing. The installation process starts with sub-assemblies of oil pan then oil strainer and finally No. 2 oil pan while finishing with cylinder head covers RH and LH as well as an engine oil level dipstick guide. When assembling the rear water bypass joint, install an O-ring on the water outlet pipe while setting new gaskets to water ports LH and RH. Apply soapy water on the O-ring before fastening the joint with 2 bolts and 4 nuts under 9.0 Nm (92 kgf-cm, 80 in-lbf), then connect the engine coolant temperature sensor. The heater water pipe sub-assembly requires 9.8 Nm (100 kgf-cm, 87 in-lbf) of torque for both bolts and the 3 water hoses need to be connected. After the engine assembly installation onto the vehicle the technician should install the crankshaft pulley and No. 1 and No. 2 idler pulley sub-assemblies as well as the V-ribbed belt tensioner assembly and oil control valve filter before connecting the heater water pipe sub-assembly and finishing up with the spark plug and VVT sensor and camshaft timing oil control valve assembly and ignition coil assembly installations.

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