AUTOOL SDT205S Automotive Smoke Leak Detector – Professional-Grade Leak Detection Tool for EVAP, Intake & Exhaust Systems

The AUTOOL SDT205S is a professional automotive smoke machine designed for auto technicians, offering a fast and precise method to detect leaks in pipe systems, such as Intake System Test, Exhaust Systems Test, Cooling System Test, Crankcase system test,Car Sealing Test, Fuel Tank System Test, Turbo System Test,Various Pipe Fittings Test. With dual test modes (Air Mode & Smoke Mode), an intuitive pressure gauge, and a visible flow meter, this leak detector ensures accurate diagnostics with ease. The SDT205S is a must-have tool for efficient leak detection.

📥 Download the AUTOOL SDT205S Manual

Key Features

1. Dual Test Modes (Air Mode & Smoke Mode)
   • Air Mode: Diagnose leaks using the pressure gauge without requiring smoke. The integrated flow meter, adjustable from levels 1 to 6, ensures precise detection of even tiny leaks (up to 0.25 mm).
   • Smoke Mode: Produces smoke within 10 seconds to help identify the exact location of leaks once they are detected.
2. Visual Flow Meter & Adjustable Knob
   • Smoke Output Flow: 0-6 L/min.
   • Level Gauge & Adjustable Knob: Easily observe and control smoke production.
3. Quick Leak Diagnosis via Pressure Display
   • No Leak: The pressure gauge value remains stable, indicating a sealed system.
   • Small Leak: A slight drop in pressure suggests a minor leak.
   • Serious Leak: The pressure gauge dropping to zero signifies a significant leak requiring immediate attention.
4. Built-in Air Pump – No External Compressor Required
   • The SDT205S features an internal air pump, eliminating the need for an external compressor. Simply connect to a DC 12V battery, and the device is ready to operate within seconds, saving both time and money.
5. Overheat & Anti-Freeze Protection
   • Overheat Protection: If the internal temperature exceeds 75°C, the unit will automatically shut off to prevent damage. After 10 minutes of continuous use, it enters a cooldown period of over 5 minutes.
   • Anti-Freeze Protection: Designed to function in temperatures as low as -20°C, ensuring reliable performance in various environments.
6. Handy Drain Outlet
   • Prevents residual oil from corroding internal components by allowing easy drainage of leftover test oil. Recovered oil can be reused, reducing waste and operational costs.
7. Independent Switch Control Design
   • Air Mode Button: Controls the air pump independently, adapt smoke grade to locate the small and hard to find leaks.
   • Smoke Mode Button: Activates the smoke generator separately to pinpoint leaks visually.
8. 3-Year Warranty
   • AUTOOL offers a 3-year warranty covering non-human factor damages.

Comprehensive Leak Tests Performed by AUTOOL SDT205S

1. Crankcase System Test
   • Excessive pressure or corrosion of the crankcase is the main reason for seal damage and oil leakage.
2. Intake System Test
   • Leakage in the air intake system leads to insufficient intake, resulting in reduced engine power.
3. Car Sealing Test
   • Poor airtightness can cause discomfort, inability to keep warm, dust infiltration, and lack of soundproofing and waterproofing.
4. Fuel Tank System Test
   • Gaps in the fuel tank and piping caused by improper installation or insufficient sealing of the fuel tank cap can cause leaks.
5. Turbo Test
   • Coolant leakage can cause the engine to report high water temperature.
6. Various Pipe Fittings Test
   • Smoke testing of brake hoses, power steering hoses, cooling system hoses, air conditioning system hoses, turbocharger hoses, fuel hoses, intake and exhaust system hoses, etc.
7. EVAP System Test
   • Leakage of the fuel evaporation system can cause fuel vapor to leak into the atmosphere, leading to waste, pollution, or unstable engine idling.
8. Exhaust System Test
   • Leaks in the exhaust system can cause harmful gases to be discharged into the atmosphere unpurified or increase vehicle noise.

Wide Range of Applications

• Compatible with various vehicles, including cars, motorcycles, snowmobiles, off-road vehicles, ATVs, light trucks, and speedboats.
• Ideal for testing EVAP Systems, Intake Systems, Exhaust Systems, Cooling Tanks, Fuel Tank Systems, EGR Systems, Crankcase Ventilation Systems, and Turbo & Low-Pressure Boost Systems.

Specifications

How to Judge a Leak

• No Leak: When the value of the pressure gauge remains unchanged, it means that there is no leakage in the system.
• Small Leak: When the value of the pressure gauge drops, it indicates a small leak in the system.
• Massive Leak: When the value of the pressure gauge reaches zero, it indicates a large leak in the system.

How to Perform a Leak Detection

1. Fill 10ml baby oil to the detector for the first time.
2. Open the engine cover, and hang the detector in the cover.
3. Disconnect the pipe that needs to be connected with the detector.
4. Connect the detector with a DC12V battery, turn on the power switch, and the detector starts to work.
5. Wait about 30 seconds for the pipe to be filled with smoke. Check the leak points. Please use a headlamp if necessary.

How to Do EVAP System Test

1. Find the Carbon Canister on the Car
   • Disconnect the fuel inlet/outlet tubing.
   • Take out the special adapter for the EVAP system from the accessory box and connect it to the tubing you want to test.
2. Prepare the System
   • Remove the oil filler cap, add 10ml of test oil, and tighten the cap.
3. Test for Leaks
   • Turn on the power switch.
   • Press the Air Mode button and then the Smoke Mode button.
   • Block the smoke nozzle and watch the pressure gauge.
   • When the pressure reaches 0.8kg/cm², connect the smoke nozzle with the special adapter for the EVAP system.
   • Look for smoke escaping from the leak points in the EVAP system.

⚠ Attention: Ensure there are no open flames during the EVAP system test.

Important Usage Guidelines:

• When using for the first time, fill with 20ml oil. Do not exceed this amount.
• Testing Liquid: Both liquid paraffin and baby oil are acceptable.
• Add fresh oil only when smoke production decreases, and never exceed 20ml per refill.
• Before refilling, drain any remaining oil from the detector & replace oil regularly.
• Keep away from smoke-sensitive parts during leak detection.
• Do not run the detector continuously for over 8 minutes; allow it to rest intermittently.
• The detector has an intelligent protector and will automatically shut off if the temperature exceeds 75°C.
• The round part of the detector gets hot; avoid burns.
• If the test pipe must be disconnected mid-test, seal the other side with a rubber stopper.

Package Contents

• 1 × AUTOOL SDT205S Main Unit
• 1 × Power Cord
• 1 × Smoke Hose
• 1 × Universal Cone Adapter
• 1 × Set of Universal Hard Rubber Plugs
• 1 × Set of Universal Soft Rubber Plugs
• 1 × 30ml Test Oil Filling Bottle (Test Oil Not Included)
• 1 × Valve Core Wrench
• 1 × EVAP Special Connector
• 1 × Universal Airbag Adapter
• 1 × User Manual

Why Choose the AUTOOL SDT205S?

• Professional-grade leak detection with an easy-to-use interface.
• Visual pressure gauge and flow meter for accurate diagnostics.
• Fast smoke generation within 10 seconds for quick troubleshooting.
• Built-in air pump eliminates the need for external compressors.
• Safety features such as overheat and anti-freeze protection.
• 3-Year Warranty with reliable support.

Take the hassle out of leak detection with the AUTOOL SDT205S. Designed for accuracy, speed, and durability, this automotive smoke machine is an essential tool for professional mechanics and auto enthusiasts alike.