☑️ Basic pre-purchase check
Buying components begins with the exact identification of the node that requires replacement, since there is no universal list for all brands in nature. The owner must rely on a specific malfunction, such as a knock in the suspension or oil leak, to form the correct one. spare-piece to order. An error in choosing even a small detail can lead to a re-disassembly of the unit and unnecessary financial costs, so the initial diagnosis is a critical stage.
The modern automotive components market offers thousands of positions, from consumables to complex electronic control units. Competently composed defect sheet It helps to avoid buying too much and forget about the necessary. In this article, we will discuss the main groups of parts, their features and selection criteria that every motorist who plans a repair should know.
It is important to understand that the list of necessary positions directly depends on the age of the car and its mileage. For the new car, filters and liquids are relevant, while for a car with a mileage of more than 150 thousand kilometers, the list is expanded to suspension elements and timing belts. Ignoring the complex replacement of conjugated parts often reduces the efficiency of repairs to zero.
Engine and gas distribution system
The heart of any car is the engine, and its maintenance requires special attention to detail. When forming an order for this group of goods, the elements of the lubrication and cooling system are primarily considered. Without proper functioning of these systems, the power unit life is drastically reduced, leading to expensive overhauls.
The list of mandatory replacement positions during scheduled maintenance includes an oil filter, a plumbing plug and, of course, the engine oil itself of a certain viscosity. If it is a deeper intervention, the list is replenished with spark plugs, coils or high-voltage wires. For diesel engines, a fine-cleaning fuel filter remains a critical element.
- 🔧 The piston group (rings, fingers, liners)
- 🔧 Valve mechanism (HBC gaskets, valves, springs)
- 🔧 Lubrication system (oil pump, pressure sensor)
- 🔧 Drive belts and tensioners
The gas distribution system (GDM) deserves special attention. Replacing a belt or a HRM chain is a procedure that requires the purchase of a complete set including rollers and a pump. The use of old rollers with a new belt is unacceptable, since jamming the roller bearing will lead to a break in the belt and the meeting of the valves with the pistons.
⚠️ Warning: When replacing your HRM belt, always change the water pump (pump), even if it is not leaking. The pump resource often coincides with the belt life, and its failure will require repeated expensive disassembly of the engine.
Chain drive nuances
GRM chain drives are considered more durable, but require stretch control. When replacing the chain, the sedatives and tensioner must change, since the old elements may not provide a stretch for the new chain.
Transmission and drive shafts
The transmission of torque from the engine to the wheels is carried out through the transmission, which also consists of many wearable elements. In automatic transmissions (AGBs), the condition of the hydraulic transformer and friction discs is critical, although their replacement often requires professional intervention. For mechanical boxes, wear of the clutch and the squeeze bearing is characteristic.
When repairing the transmission, the list of spare parts is formed based on symptoms: vibration during acceleration indicates problems with the suspension bearing or SRUS, and the hum is on wear of the bearings of the shafts. For all-wheel drive cars, it is important to check the condition of the transfer case and driveshafts, where cross-pieces and elastic couplings often fail.
Owners of CVT vehicles should pay special attention to the purity of the oil and the condition of the chips. The wear products of metal belts quickly clog the hydroblock, leading to kicks and jerks. Therefore, the CV filter and special liquids are mandatory items in the list for servicing such cars.
- ⚙️ Clutch set (disc, basket, squeezed)
- ⚙️ Hinges of equal angular velocities (SRUS)
- ⚙️ The coils of the drives and the checkpoints
- ⚙️ Engine supports and gearboxes
Do not forget about the stains and seals. The flow of oil from a gearbox or gearbox is often ignored until the characteristic smell of burning or a critical drop in fluid levels appears. Timely replacement of the coils of the semi-axes or primary shaft is much cheaper than the replacement of the entire unit.
Chassis and suspension elements
The suspension of the car takes on all the blows from the road surface, so its elements wear out the fastest. The list of spare parts for the chassis is usually the most voluminous in preparation for repair. The main indicators of problems here are knocking when passing irregularities, driving the car to the side and uneven wear of tires.
The first to fail are Silentblocks and ball supports, as they carry the main load. Rubber metal hinges eventually dry and crack, losing their damping properties. Shock absorbers and their bearings also require regular inspection, especially after the winter season.
When replacing suspension elements, it is recommended to use the method of pair replacement on one axle. Installation of a new lever on the left and the old on the right will lead to different suspension rigidity and deterioration of handling. In addition, after replacing any elements that affect the geometry of the wheels, adjustment of the angles of the wheel installation (fall-down) is necessary.
| Element | Resource (km) | Signs of wear and tear | Consequences of neglect |
|---|---|---|---|
| Stabilizer struts | 20-40 thousand. | Knocking on small bumps | Deterioration of stability in cornering |
| Shock absorbers | 60,000-100. | Body swing, oil leaks | Increased braking distance |
| Steering tips | 40,000-60,000. | Luft steering, knocking when turning | Uneven wear of rubber |
| Silentblocks | 50-80 thousand. | Screams, body vibrating. | Breaking of suspension levers |
Special attention should be paid to the steering. Reiki with an electric or hydraulic booster is sensitive to the quality of roads and the purity of the liquid GUR. The appearance of backlash in the steering rack can often be eliminated by a remplekt, but in advanced cases, the entire assembly is required to be replaced.
Braking system and safety
The braking system is the node, the economy on which is unacceptable under any circumstances. The life of the driver and passengers depends on its serviceability. The list of brake parts usually includes brake pads, discs, calipers and brake fluid. Regular replacement of these elements is a mandatory maintenance procedure.
Brake discs are subject to thermal wear and deformation. The appearance of the beating of the steering wheel during braking indicates the curvature of the discs. Changing the pads on curved discs is pointless - they wear unevenly for a few kilometers. Therefore, the discs and pads are often changed with a set.
⚠️ Attention: Brake fluid is hygroscopic and accumulates moisture from the air. It must be changed every 2 years or 40-50 thousand. km, regardless of the mileage, to avoid boiling and corrosion of calipers.
Suppors also require maintenance. The guides of the calipers should move freely in lubrication, otherwise acidification and non-ranomerous wear of the pads are possible. When buying calipers remakes, pay attention to the quality of rubber bands, since cheap analogues can swell from contact with brake fluid.
The main rule: Brake pads and discs always change only in pairs on one axis of the car to ensure uniform braking.
Body parts and optics
Body elements are often affected during operation in urban conditions or in an accident. The list of body repair parts can range from small plastic clips to whole wings and bumpers. It is important to have original parts and quality analogues, as the geometry of non-original body panels may differ.
The optics of the car are another vulnerable element. Plastic headlights become cloudy with time and sand, and the insides can fog due to leakage. Replacing lamps is an expendable procedure, but replacing the headlight entirely is required when the adjustment mechanisms break down or the housing collapses.
Fastening body elements, such as pistons, clips and screws, often break when removing bumpers or body kits. Experienced masters always recommend buying a set of various fasteners before starting work on removing plastic elements, so as not to look for rare fixers later.
- 🚗 Bumpers (front, rear) and amplifiers
- 🚗 Hood, wings, doors (hinged elements)
- 🚗 Headlamps and lamps
- 🚗 Rear-view mirrors and glass
When choosing body parts, it is important to consider the method of delivery and packaging. Thin elements, such as grilles or moldings, damage during transportation. Verification of the integrity of the goods upon receipt is a mandatory action for the buyer.
Autoelectricity and electronics
The modern car is saturated with electronics, and the list of spare parts for this area is becoming more and more relevant. Sensors, actuators, control units – all this requires periodic replacement or repair. Electrical problems often manifest themselves in the form of burning errors on the dashboard or failures in the operation of comfort systems.
The battery is the main source of energy. When choosing a battery, it is important to take into account the initiation current and capacity recommended by the manufacturer. An old battery can cause a generator to fail or electronics to work unstablely.
Engine sensors, such as a lambda probe, DMRC or crankshaft position sensor, directly affect the operation of the motor. Their failure leads to increased fuel consumption and loss of power. Buy these items should only be verified suppliers, as the market is saturated with fakes that incorrectly read the readings.
Tip: When replacing the battery with modern cars, use the power adapter so that the settings of the on-board computer and the adaptation of electronic systems do not get lost.
Consumables and technical liquids
No repair is complete without consumables. It is not only oils and filters, but also sealants, lubricants, cleaners and antifreezes. The use of the right technical fluids prolongs the life of the units and ensures their stable operation in any conditions.
Sealants require a special approach. For different units (GBC, crankcase pallet, exhaust system) used compositions with different heat resistance and elasticity. An improperly selected sealant can dissolve in oil or crack with temperature, leading to leaks.
Lubricants for bearings and guides should also be specific. Graphite lubrication is not suitable for hub bearings, and copper lubrication is indispensable for brake calipers. Errors in the choice of lubricants can lead to accelerated wear of rubbing pairs.
What spare parts list is needed for TO-1?
The first maintenance usually requires replacement of the engine oil, oil filter, cabin air filter and engine. Also, the levels of all technical fluids and the condition of the brake pads are checked.
What is the difference between OEM and original parts?
OEMs (Original Equipment Manufacturer) are parts produced by the same factory as for the conveyor, but packaged under their own brand. They are identical in quality to the original, but cost less as you don’t pay for the carmaker’s logo on the box.
Should I buy a used part from the showdown?
Purchase of used parts is justified for body parts, optics and expensive components like engines or boxes, if there is a guarantee and the possibility of verification. Buying used suspension elements, braking system or electronics is risky due to the unknown residual life.
How to check the compatibility of the spare part by VIN-code?
The most accurate way is to use online car dealer directories or specialized sites (Exist, Autodoc and analogues) by entering the vehicle’s VIN code. This will allow you to see the factory equipment and the exact article of the necessary detail.