Car troubleshooting Opel Astra H

Troubleshooting. Introduction
This section proposes the simplest scheme for finding out the causes of malfunctions and failures occurring in the components and systems of the vehicle....

Engine malfunctions
If the engine does not start, analyze the situation. For an engine to start at all, two basic conditions must be met. An air-fuel mixture must flow into the...

Malfunctions of the electrical equipment of the engine
17. Decreased capacity or insufficient battery power 1. Worn or damaged accessory drive belt (in the so-called. generator), or the adjustment of its tension is...

Starter malfunctions
Attention: The contact terminals of the electrical wiring must be securely fastened and not oxidized! 1. If the starter does not turn, first make sure that...

Lubrication system malfunctions
28. The control lamp does not light up when the key is turned to the «ON» 1. Faulty oil pressure sensor. Turn on the ignition, disconnect the wire from the...

Cooling system malfunctions
33. Overheating 1. The coolant level has dropped. 2. The water pump drive belt is worn or damaged or its tension adjustment is broken 3. The internal channels...

Clutch malfunctions
44. Clutch won't disengage (the manual transmission control lever does not move freely into the reverse gear position and back when the clutch pedal is...

Malfunctions of the manual gearbox (RKPP)
51. When the manual transmission is set to neutral, extraneous noises occur during engine operation 1. Worn input shaft bearing 2. Drive shaft bearing damaged....

Malfunctions of automatic transmission (AT)
Note: Due to the complexity of the AT design, it is advisable to carry out diagnostics of its malfunctions and repair of components in a car service workshop....

Bridge faults
64. Extraneous noise 1. Ordinary road noise - not amenable to adjustment. 2. Tire noise - check tread condition and tire inflation pressure. 3. Worn or damaged...

Brake system malfunctions
Note: Before concluding that there is a problem with the braking system, make sure that the tires are in good condition and inflated to the correct pressure,...

Suspension and steering problems
80. The car leads away when moving in one direction 1. Tires are unevenly inflated. 2. There is a tire defect 3. Excessively worn suspension or steering...

Wiper blade failures
90. Slippage 1. Rubber working elements are dirty. 2. The edges of the brushes are frayed, the rubber working elements are worn or torn. 91. In the cleaning...

Tire failures
94. Heavy tire wear on both sides of the running surface 1. Tire pressure too low. 95. Strong tire wear in the middle of the working surface around the entire...

Power system malfunctions
26. Excessive fuel consumption 1. Air filter dirty or blocked. 2. Insufficient tire inflation pressure or wrong size tires fitted. 3. The engine has mechanical...

Heater malfunctions
39. Heater fan does not work 1. Fan motor fuse defective. 2. Faulty fan switch - check if voltage is applied to the preresistors, remove and check the fan...