If the owner of a new car has strictly adhered to the schedule of routine maintenance procedures since the day of its purchase, has frequently checked critical parameters, and has maintained the required level of lubricating fluids, the engine will very rarely require additional maintenance and repairs (in addition to the replacement of components and consumables subject to increased wear). On the other hand, if regular maintenance procedures are performed carelessly and the established inspection schedules are frequently violated, the engine's efficiency will sooner or later inevitably decrease. The likelihood of such a situation occurring is especially high when purchasing a used car. In such cases, it becomes necessary to perform a set of powertrain adjustments in addition to the volume of work on the current maintenance of the car.
If you purchased a car from another owner or, due to certain circumstances, have not carried out scheduled maintenance for a long time, the authors of this Guide recommend that you contact the nearest service station to check and adjust all engine systems, and then service the car on a regular basis. Engine tuning is a very important and responsible procedure. When doing it, do not skimp - try to carry out a complete diagnosis of all systems and mechanisms of the power plant with the obligatory participation of specialists. Tuning will prevent engine failure in the future and reduce costs for fuel and lubricants and routine repairs. Below is a list of the main tuning procedures that allow you to achieve maximum efficiency from an engine in good mechanical condition.
List of basic checks and adjustments
- a) Checking the compression in the engine cylinders;
- b) Diagnostics of the degree of wear of the main components and mechanisms of the engine;
- c) Checking the electronic control systems of the power plant;
- d) Checking the engine lubrication system;
- e) Checking the fuel system;
- f) Checking the cooling system;
- g) Checking the condition of all fluids associated with engine operation;
- h) Checking the condition of all engine compartment hoses;
- i) Checking and adjusting the tension of drive belts;
- j) Cleaning, inspection and checking the battery charge;
- c) Checking the charging system;
- l) Replacing spark plugs/glow plugs;
- m) Checking the ignition/pre-glow system;
- n) Checking the replaceable air cleaner filter.
Source is on this resource [OPELBOOK]
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