Mazda Trucks 1987-1993 Repair Guide

Engine

Print

REMOVAL AND INSTALLATION



See Figures 1 through 9

In the process of removing the engine, you will come across a number of steps which call for the removal of a separate component or system, such as "disconnect the exhaust system'' or "remove the radiator.'' In most instances, a detailed removal procedure can be found elsewhere in this guide.

It is virtually impossible to list each individual wire and hose which must be disconnected, simply because so many different model and engine combinations have been manufactured. Careful observation and common sense are the best possible approaches to any repair procedure.

Removal and installation of the engine can be made easier if you follow these basic points:



If you have to drain any of the fluids, use a suitable container.
 
Always tag any wires or hoses and, if possible, the components they came from before disconnecting them.
 
Because there are so many bolts and fasteners involved, store and label the retainers from components separately in muffin pans, jars or coffee cans. This will prevent confusion during installation.
 
After unbolting the transmission or transaxle, always make sure it is properly supported.
 
If it is necessary to disconnect the air conditioning system, have this service performed by a qualified technician using a recovery/recycling station. If the system does not have to be disconnected, unbolt the compressor and set it aside.
 
When unbolting the engine mounts, always make sure the engine is properly supported. When removing the engine, make sure that any lifting devices are properly attached to the engine. It is recommended that if your engine is supplied with lifting hooks, your lifting apparatus be attached to them.
 
Lift the engine from its compartment slowly, checking that no hoses, wires or other components are still connected.
 
After the engine is clear of the compartment, place it on an engine stand or workbench.
 
After the engine has been removed, you can perform a partial or full teardown of the engine using the procedures outlined in this guide.
 



Click image to see an enlarged view

Fig. Fig. 1: Engine removal components-2.2L engine



Click image to see an enlarged view

Fig. Fig. 2: B Series Pickup engine removal components-2.6L engine (1 of 2)



Click image to see an enlarged view

Fig. Fig. 3: B Series Pickup engine removal components-2.6L engine (2 of 2)



Click image to see an enlarged view

Fig. Fig. 4: MPV engine removal components-2.6L engine (1 of 3)



Click image to see an enlarged view

Fig. Fig. 5: MPV engine removal components-2.6L engine (2 of 3)



Click image to see an enlarged view

Fig. Fig. 6: MPV engine removal components-2.6L engine (3 of 3)

  1. Relieve the fuel system pressure on fuel injected models. Disconnect the negative battery cable first, the positive battery cable second, then remove the battery from the vehicle.
  2.  
  3. Mark the position of the hood on the hinges and remove the hood.
  4.  
  5. Raise and safely support the vehicle. Drain the engine oil and coolant. Remove the splash shields, as necessary.
  6.  
  7. Remove the starter and the transmission.
  8.  
  9. Disconnect the exhaust system from the exhaust manifold.
  10.  
  11. Remove the converter inspection cover and disconnect the converter from the flywheel.
  12.  
  13. Remove the converter housing-to-engine block bolts and the adapter plate-to-converter housing bolt. Lower the vehicle.
  14.  
  15. Remove the air cleaner assembly, if carburetor equipped. Disconnect the accelerator cable.
  16.  
  17. Remove the cooling fan and the radiator shroud. Disconnect the radiator hoses and transmission oil cooler lines, if equipped, and remove the radiator.
  18.  
  19. Disconnect the fuel lines, heater hoses and brake vacuum hose.
  20.  
  21. Tag and disconnect the necessary electrical connectors and vacuum hoses. Remove the ground wires from the cylinder block.
  22.  
  23. If carburetor equipped, disconnect the secondary air pipe assembly. On 1989-93 2.6L engine, remove the resonance chamber.
  24.  
  25. Remove the accessory drive belt(s). Remove the alternator and mounting bracket, then position the alternator aside.
  26.  
  27. If equipped, remove the power steering pump pulley and the power steering pump. Position the pump aside, leaving the hoses connected.
  28.  
  29. If equipped, remove the air conditioning compressor and position aside, leaving the hoses attached.
  30.  
  31. Remove the gusset plates, if equipped. Remove the transmission oil cooler line retainers, if equipped.
  32.  
  33. If necessary, remove the radiator grille. Remove the shroud upper plate and the additional condenser fan, if equipped.
  34.  
  35. Position a jack under the transmission and install suitable engine lifting equipment to the engine. Remove the engine mount nuts and raise the engine slightly, then carefully pull it from the transmission. Carefully lift the engine out of the engine compartment.
  36.  
  37. Install the engine on a workstand.
  38.  </