Technical data Cylinder head The maximum allowable distortion of the surface under the gasket is 0.05 mm New cylinder head height: 4-cylinder engine M43TU - 141.00 mm...
Basic information Chapter 2B includes a description of the work associated with the removal of the engine-transmission unit (power block) from the machine, and the main types of...
Engine Repair — Basics 1. It is not always easy to determine when an engine overhaul is needed because there are many factors to consider. 2. High mileage is not always an indicator...
Engine Removal — Methods and Precautions 1. If you decide that the engine must be removed from the vehicle for a medium or major overhaul. You need to do some preliminary work. 2. It is very important...
Engine — removal and installation Note. This is a difficult operation. Please read this entire paragraph before proceeding. Make sure you have a lifting device, jack and props of sufficient...
Engine Repair — Disassembly Sequence 1. It is much easier to disassemble and repair the engine if it is installed on a special mobile stand. These stands can be rented from tool rental shops....
Cylinder head — disassembly Comment. At service stations and specialists, you can purchase a new or remanufactured head. Since special tools and fixtures are needed to disassemble and...
Cylinder head — assembly Note. When assembling the cylinder head, all valve stem seals must be replaced. Reassembly requires a valve spring compressor. 4-cylinder engine M43TU 1....
Pistons and connecting rods — removal Attention! On engines with oil piston cooling nozzles, be careful not to damage the nozzles when you remove the pistons. The manufacturer recommends that after...
Crankshaft — removal 1. From a 4-cylinder engine, remove the sump, timing chain, balance shaft housing, chain housing (only with M43TU engine) and flywheel (faceplate), as...
Pistons and connecting rods — condition check 1. Before checking, the pistons and connecting rods must be thoroughly cleaned and washed, and the rings removed from the pistons. 2. To remove the ring,...
Crankshaft — condition check Checking the end play 1. To measure the end play, the crankshaft must be in its place in the main bearings, but free in the axial direction. 2. Install a...
Main and connecting rod bearings — condition check 1. Even if you decide to replace the main and connecting rod bearing shells, you need to inspect them very carefully, since they can tell a lot about the...
Engine Repair — Assembly Procedure 1. Please make sure before assembly. that you have all the necessary parts and tools at your disposal. Read the description of the entire procedure carefully...
Piston rings — installation 1. Before inserting the rings into the piston grooves, check the gaps in the track locks as follows. 2. Lay out the pistons with connecting rods and new track...
Crankshaft — installation Insert selection 1. Give the crankshaft to the service station specialists. They will perform the necessary measurements, if necessary, machine the shaft...
Pistons with connecting rods — installation Attention! Be careful when installing pistons and connecting rods. so as not to damage the oil nozzles for cooling the pistons, if any on this engine. The...
First engine start after repair Attention! If the camshafts were removed on a 6-cylinder engine, then before starting the engine, take into account the recommended delay after installing them...