American Specification Automotive Parts

10/05/2023

RADIATOR CAP: FREQUENTLY ASKED QUESTIONS

1. What is a radiator cap?
- A radiator cap is a small but important component of a car's cooling system.
- It is typically found on the top of the radiator and serves as a seal to maintain the pressure and coolant level in the radiator.

2. How does it function?
- The radiator cap has a spring-loaded valve that regulates the pressure inside the cooling system.
- When the engine heats up and the coolant expands, excess pressure is released through the radiator cap's valve into the overflow reservoir.
- As the engine cools down, the vacuum created in the cooling system draws coolant back from the overflow reservoir through the radiator cap.

3. Its importance
- The radiator cap plays a crucial role in maintaining the proper pressure and coolant level in the cooling system.
- Without a functioning radiator cap, the engine can overheat or the cooling system can develop leaks.

4. Signs of a Faulty radiator cap
- Visible signs of wear or damage on the radiator cap itself
- Coolant leaks around the radiator cap
- Engine overheating or fluctuating temperature gauge readings
- Low coolant levels despite regular refilling
- Hissing sound coming from the radiator cap
- Steam or smoke coming from under the hood

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10/05/2023

ALTERNATOR EXPLAINED

An alternator is a generator of electric power in a car and is a major component of the vehicle's charging system. All cars with an internal combustion engine except for some hybrids have an alternator. When an engine is running, the alternator charges the battery and supplies additional electric power for the vehicle's electrical systems. An alternator is bolted to the engine and is driven by a serpentine belt (drive belt).

An alternator is a maintenance-free unit. In some cars, it can last for up to 10-15 years without any repairs. If an alternator fails, the car may still run for a short time on battery power. However, the engine will stall as soon as the battery charge is depleted. Replacing an alternator with a new OEM part is expensive, but there are alternatives. Read more below.

Symptoms of alternator problems
The most common symptom of a problem with your vehicle's charging system is a battery-shaped warning light (in the photo) or the "CHARGE" icon that comes on while driving. Normally this warning light should come on when you turn on the ignition, but should disappear as soon as the engine is started. If it stays on, there is a problem with your charging system. The charging system warning light doesn't point directly to a failed alternator, although alternator problems are very common. Your mechanic will need to do further testing to pinpoint the defective part.
Another symptom of a weak charging system is when the dash lights and headlights dim at idle, but become brighter when the engine is revved. This problem could be caused not only by a weak alternator, but also by a failing battery, poor connection at the battery terminals or a loose serpentine belt. A whining/buzzing noise coming from the alternator is another symptom of alternator troubles. In some cars, it could be caused by a noisy alternator bearing. In some Jeep/Chrysler vehicles, a bad alternator decoupler pulley could cause the same noise.

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09/05/2023

How does an automatic transmission change gears smoothly:
- An automatic transmission uses a torque converter to smoothly transmit power from the engine to the transmission.
- Inside the transmission, there are multiple gear sets and clutches that engage and disengage to change gears.
- The transmission control module (TCM) monitors various sensors to determine the optimal timing and pressure for gear shifts.
- Hydraulic pressure is used to engage and disengage the clutches, allowing for seamless gear changes.

Signs of a failing automatic transmission:
1. Delayed engagement: The transmission takes longer to shift into gear when you shift from park to drive or reverse.
2. Slipping gears: The engine revs up without a corresponding increase in vehicle speed, or there is a sudden loss of power while driving.
3. Rough or jerky gear shifts: Shifting between gears feels harsh, accompanied by vibrations or a jolt.
4. Fluid leaks: Noticeable leaks of reddish-brown fluid under the vehicle.
5. Burning smell: A burnt odor may indicate overheating or excessive friction within the transmission.
6. Warning lights: The "Check Engine" or "Transmission" warning light may illuminate on the dashboard.

Repair and recommendations for a failing automatic transmission:
1. Consult a professional mechanic: Transmission repairs can be complex, so it's best to seek the expertise of a qualified technician.
2. Regular maintenance: Follow the manufacturer's recommended maintenance schedule, including fluid changes and inspections.
3. Check fluid levels and quality: Low or contaminated transmission fluid can cause issues, so ensure it is at the correct level and in good condition.
4. Address issues promptly: If you notice any signs of transmission problems, address them promptly to prevent further damage.
5. Avoid excessive towing or overloading: Heavy loads can put strain on the transmission, leading to premature wear and failure.

DTC codes associated with automatic transmission issues:
1. P0700 - Transmission Control System Malfunction: Indicates a problem with the transmission control module or related components.
2. P0715 - Input/Turbine Speed Sensor Circuit Malfunction: Points to a malfunction in the input/turbine speed sensor, which provides vital data to the TCM.
3. P0720 - Output Speed Sensor Circuit Malfunction: Indicates an issue with the output speed sensor, which monitors the rotational speed of the transmission output shaft.
4. P0730 to P0736 - Incorrect Gear Ratio: These codes indicate a mismatch between the gear ratio commanded by the TCM and the actual gear ratio detected.
5. P0740 to P0744 - Torque Converter Clutch Circuit Malfunction: Points to problems with the torque converter clutch solenoid or related components.

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15/08/2021

At American Specification Automotive Parts we deliver genuine car lubricants and parts for Toyota, Lexus, Honda, Ford, Nissan, Acura and other American cars.

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30/07/2019

We are still in the business of giving you original lubricants and parts........

Call us for your motor oil, Automatic transmission fluid, Power steering fluid, Brake fluid, Radiator coolant, oil filter etc

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10/06/2019

At American Specification Automotive Parts, we have in stock Original lubricants and parts for Toyota, Honda, Lexus, Acura, Ford, Nissan and other American cars.

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11/08/2018

Contact us for your genuine car lubricants and parts.

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Call:08028314362.

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08/03/2018

Some people don't know what automatic transmission fluid is specified for the Honda and Accura. Check the car manual you can't miss it, it is either ATF DW-1 or ATF Z-1.

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07/03/2018

know more about your car by reading the manual.

21/02/2018

Do you know your car have a specified Automatic Transmission Fluid (Gear oil) from the manufacturer, be Toyota, Honda, Nissan, Ford, Lexus, Accura etc?. Check the car manual for more information.

For example:

Toyota has 3types 1. WS. 2. Type T-IV. 3. Dexron 2/3. Know the exact one specified for car.