Car engine repair Renault Espace 1 and 2

Engine specifications
Installed engines - J112, J115, J116, J635, J636, J637, J638 Number of cylinders - 4 or 6 Cylinder arrangement - In-line or V6 Valve timing mechanism 4-cylinder engines - Overhead valves, overhead camshaft, toothed belt...

Engine removal and installation — general description
1.8 The power steering pump is attached to the engine with the indicated bolts (1) 1.12 Four nuts (1) securing the exhaust pipe flange to the manifold 1.15 A special bracket is used to lift the engine 1.16 Nuts (1) hold...

Engine — disassembly
Disassembly - general description Before starting work, thoroughly clean the outer surfaces of the engine. Cover all engine openings with a clean rag in advance to prevent foreign bodies from getting inside the engine....

Engine — assembly
1. The assembly sequence is exactly the opposite of disassembly. However, pay attention to the following instructions during each assembly: a) Before starting assembly, check that all parts are clean and free of foreign...

Cylinder head and valves — removal and installation (engine in a car)
1. The process of removing the cylinder head has already been described when disassembling an engine removed from a vehicle. The following text provides a short description of the situation if it is necessary to remove...

Cylinder head — disassembly
Petrol 4-cylinder engines 1. Install the mounting bracket into the exhaust manifold screw hole on the cylinder head. 2. Remove the spark plugs, distributor, spark plugs, upper water hose and all other parts installed on...

Cylinder head — assembly
Rocker Arm Mechanism - All Engines 1. Check the rocker shaft for scratches or excessive wear and replace if necessary. Lubricate all parts generously and install them on the rocker shaft in the order of assembly, if the...

Valve clearances — adjustment
1. Adjustment on 4-cylinder engines is carried out in the same way as on V6 engines. Remove the cylinder head cover. Adjust the valve clearance in each cylinder in turn. The engine must be cold. The valve clearance...

Pre-chambers (diesel engine) — general description
Pre-chambers are designed specifically for diesel engines and must protrude a certain amount from the top of the cylinder head. The pre-chambers are pressed into the cylinder head. After installation, check the...

Pistons and connecting rods — general description
Pistons and cylinder liners can be replaced with the engine installed on the vehicle. However, since damage to a piston can also damage other parts, it is better to remove the engine. If the same parts, liners, pistons...

Pistons and connecting rods — removal
1. Removing the pistons with the engine installed on the vehicle is done as follows: 2. Disconnect the battery and drain the coolant from the cooling system. 3. Drain the engine oil. 4. Remove the cylinder block...

Pistons and connecting rods — separation
1. Separating the piston and connecting rod is not particularly difficult. If the piston pin is held in place by a retaining ring (diesel engine and V6 engine), it can be removed by preheating the piston and connecting...

Pistons and connecting rods — check
1. Carefully inspect all parts. If there are scratches or other signs of wear, replace. 2. Slide the piston rings into the grooves (see illustration). Using a feeler gauge, determine the gap between the ring surface and...

Pistons and connecting rods — assembly
1. Carefully inspect all parts described in the previous chapter. The assembly process is described separately for each group of engines. Turbocharged diesel engine 2. Lubricate the piston pin hole, assemble the piston...

Pistons and connecting rods — installation
All engines 1. Lubricate the piston with engine oil and insert it into the sleeve. Using a special tool, install the rings into the piston grooves. Insert the pistons so that the upper edge of the connecting rod surface...

Cylinder Block and Liner — General Description
Each time the engine is overhauled, the cylinder block must be thoroughly cleaned, paying particular attention to the lubrication holes. Removing the liners, pistons and connecting rods was described in previous...

Crankshaft and bearings — inspection
1. Clean the crankshaft thoroughly. Use wire to clean the oil holes. 2. If necessary, remove the primary bearing from the end of the crankshaft. To do this, screw in self-tapping screws of a suitable diameter and pull...

Flywheel (drive pulley) — removal and installation
1. The flywheel is secured to the crankshaft with seven bolts with lock washers or, in most cases, without lock washers. If the flywheel bolts are installed without washers, they must be replaced each time. When...

Crankshaft seals — replacement
4-cylinder engines 1. The flywheel side seal can be replaced as described in Chapter 3. The seal can be replaced after removing the gearbox with the engine installed. Remove the clutch, flywheel and old seal; carefully...

Camshaft — Removal from an Installed Engine
4-cylinder engine 1. The camshaft, drive belt, and drive belt tensioners, etc. can be changed with the engine installed in the vehicle. Perform the following work: 2. Disconnect the battery and drain the coolant. 3....

Toothed Drive Belt — Replacement
4-cylinder petrol engines 1. The toothed drive belt must be changed every 100,000 km, even if it is still in good condition. When replacing the belt, follow the instructions exactly. If the camshaft is not installed...

Camshaft Seals — Replacement
4-cylinder engines 1. The camshaft seal can be changed with the engine installed on the vehicle. 2. Remove the power steering pump and water pump drive belts. 3. Jack up the front wheel and engage gear. 4. Have an...

Oil Pump (and Pan) — Removal and Installation
4-cylinder engines 1. This section describes the process of removing the oil pump from a vehicle engine. The instructions apply to both gasoline and diesel engines. Some differences exist if the crankcase is equipped...

Oil pump — overhaul
1. On a 4-cylinder engine, remove the pump cover and remove the rotors from the housing. 2. Remove the cotter pin from the relief valve body, cover, spring and piston (see illustration). 23.2 Oil pump. Left - for...

Oil filter
1. The oil filter is easiest to get to from the underside of the car, with the front of the car securely supported on axle stands. Use a belt wrench to remove the filter. Otherwise, use sandpaper. Press the rough...

Checking engine oil pressure
1. If you have a specially designed connector (Mot. 836) at your disposal, which can be installed together with a pressure gauge, the engine oil pressure can be measured with the engine running. 2. On a 4-cylinder...

Crankcase thrust plate (4-cylinder engine)
1. Remove the oil pan and oil pump to access the thrust plate on the bottom of the crankcase. Follow the appropriate instructions in chapter 22 . 2. After removing the pump cover, the bottom surface looks like shown...

Oil pan
1. Removal and installation of the oil pan was described in chapter 22 . Depending on the year of manufacture, diesel engines are equipped with different gaskets. 2. Install only a dry gasket on the engine.

Starting the engine after overhaul
1. Once the engine is installed in the vehicle, recheck the coolant and oil levels. Finally, make sure that all components are connected and that no tools or rags are left in the engine compartment. Petrol models 2....

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