Overhaul of car engines Toyota Dyna (100/150)

Cylinder head — removal
Preparing for removal 1. Drain the coolant. 2. In the presence of AS system (air bypass systems into the exhaust manifold) remove the AS system vibration valve together with the air supply manifold from the cylinder...

Cylinder head — disassembly and inspection
Disassembly 1. Remove the carburetor. 2. Remove the intake and exhaust manifolds. 3. If necessary, separate the intake and exhaust manifolds by loosening and removing the connecting bolts. 4. Remove the valves: Using a...

Cylinder head — design description
Cylinder head. 1 - Valve, 2 - Heater outlet pipe, 3, 4 - Gaskets, 5 - Coolant outlet pipe, 6 - Gaskets, 7 - Coolant intake pipe, 8 - Valve guide bushing, 9 - Spring retaining ring, 10 - Spring seat, 11 - Oil deflector...

Cylinder head — assembly and installation
Assembly Notes: Clean the parts thoroughly before assembly; all contact surfaces must be coated with fresh engine oil; all gaskets and seals have been replaced with new ones. 1. Install the valves. a) Insert the valves...

Valve timing mechanism
Preparing for disassembly 1. Remove the drive belt, having first loosened the generator housing locking bolt. 2. Remove the fan and coolant pump pulley. 3. Remove the fuel pump. 4. Remove the ignition distributor. 5....

Valve timing mechanism — design description
The gas distribution mechanism (GDM) camshaft and timing chain. 1 - Crankshaft pulley, 2 - Crankshaft pulley fastening nut (M3=157 Nm), 3 - Camshaft drive chain cover, 4 - Camshaft drive sprocket, 5 - Bolt for fastening...

Cylinder Block — Preparing for Disassembly
1. (For models with manual transmission) Remove the clutch basket and disc, then remove the flywheel. 2. (For models with automatic transmission) Remove the drive plate (torque converter drive disk). 3. Remove the rear...

Disassembling the cylinder block
1. Remove the two nuts and retaining bolt and remove the coolant bypass pipe together with the gasket. 2. Unscrew nine bolts and one nut and remove the timing chain housing together with the gasket. 3. Unscrew the five...

Cylinder Block — Design Description
Cylinder block. 1 - Oil drain plug, 2 - Oil drain plug gasket, 3 - Oil pan, 4 - Oil pump, 5 - Oil pump mounting bolt (M3=18 Nm), 6 - Timing drive housing, 7 - Timing drive housing mounting bolt (M3=18 Nm), 8 - Timing...

Assessment of the technical condition of the cylinder block
1. Use a scraper to remove the remaining gasket from the surface of the cylinder block gas joint. 2. Using a soft brush and solvent, clean the cylinder block. 3. Using a precision straightedge and feeler gauge, check...

Removal piston rings
1. Check the fit of the piston pin in the piston bosses by rocking the piston on the piston pin. If there is any play, replace the piston and pin. 2. Remove the piston compression rings using an expander. Remove the...

Assessment of the technical condition of connecting rods, pistons and piston rings
1. Clean the piston. a) Using a scraper, clean the piston bottom from carbon deposits. b) Using the broken ring, clean the ring grooves. c) Using solvent and a soft brush, clean the piston. Note: Do not use a wire...

Cylinder boring
Warning. It is necessary to bore all four cylinders to one overall size, the value of which is greater than the maximum diameter obtained by measuring the cylinders of the block being inspected, and corresponds to the...

Assessment of the technical condition and repair of the crankshaft
1. Check the crankshaft runout. Mount the crankshaft on prisms and, using a dial indicator, measure the runout on the middle journal. Maximum permissible runout is 0.06 mm If the runout is greater, replace the...

Assessment of the technical condition and repair of camshaft bearings
1. Check the clearance in the camshaft bearings. a) Using a dial indicator, measure the inside diameter of the camshaft bearings. Inner diameter of bearings (starting from the front): no. 1 - 46,500 - 46,570 mm no. 2 -...

Assessment of the technical condition of the holes for the pushers
Measure the clearance between the tappet surface and the hole in the block. a) Using a dial indicator, measure the diameters of the tappet holes. Nominal - 21.417 - 21.443 mm b) By subtracting the measured value of the...

Replacing the rear crankshaft oil seal
There are two ways to replace the oil seal. 1. If the rear oil seal housing is removed from the cylinder block: a) Using a screwdriver and hammer, knock the seal out of the housing. b) Carefully install the seal; its...

Assembling the piston kit
1. Assemble the piston with the connecting rod. a) Orient the "Front" marks on the piston and connecting rod. b) Apply a layer of engine oil to the piston pin and to the surface of the bore in the piston bosses. c)...

Cylinder block assembly
Attention: Thoroughly clean all parts prepared for assembly. Before installing the parts, lubricate their working surfaces with fresh engine oil. Install new gaskets and seals. 1. Install the main bearing shells into...

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