AUTOOL HTS558 Walnut Blaster Engine Cleaner

AUTOOL HTS558Product OverviewThe AUTOOL HTS558 walnut blaster is a 1200W walnut sand de-carbon cleaner designed for intake pipe, intake manifold, and intake valve backside carbon deposit cleaning. It uses an external air compressor to drive walnut shell abrasive for physical blasting, while the built-in vacuum recovery and dust filter help separate carbon residue from reusable walnut media. 1200W Motor External Air Source 0.6-1.2mm Walnut Media Built-In Dust Filter13LCapacity0.02MPaVacuum Suction<300L/minAirflow3 YearsSupport Click to enlarge Click to enlargeBefore You Order And UseBefore You Order And UseHTS558 needs walnut shell abrasive, an external air compressor, and correct intake valve preparation. Review the media size, compressor requirement, safety gear, and cleaning range before use.External Air Compressor RequiredThe package does not include a high-pressure air pump or air compressor. Use an external compressor with sufficient pressure, generally 6bar or above. The original requirement also mentions up to about 0.7MPa.Walnut Sand Not IncludedWalnut shell abrasive is not included in the package. Purchase suitable walnut media separately before cleaning.Use 0.6-1.2mm MediaUse walnut shell abrasive between 0.6-1.2mm for HTS558. Under normal conditions, the media can usually be reused 5-10 times.Dry Air Is RecommendedUse an air compressor equipped with a dryer filter when possible. Moisture can make walnut shell media clump and reduce blasting performance.Close Intake Valve FirstTurn off the engine and rotate the crankshaft to close the intake valve before blasting. Clean one intake pipe or intake port at a time.Wear Safety ProtectionWear safety goggles and respiratory protection during operation to reduce risk from debris, dust, and fine walnut shell particles.Application LimitsHTS558 is designed for engine intake pipe, intake manifold, and intake valve backside carbon cleaning.It is not intended for injector, throttle valve, or cylinder carbon cleaning. For injector cleaning tools, use the AUTOOL injector cleaner category.High-precision engine intake systems can be sensitive to foreign matter. Prepare the intake correctly before cleaning.Small residual walnut powder in the intake pipe will burn to ash at high temperature after the engine starts, but correct recovery and inspection are still recommended.Chemical cleaners may corrode pipes or shorten engine service life; walnut shell abrasive provides a physical cleaning method when used correctly.Key FeaturesKey FeaturesHTS558 combines external air-source blasting with vacuum recovery, dust filtration, reusable walnut media handling, multiple intake adapters, and workshop-friendly mobility for intake carbon deposit cleaning.Intake Manifold CleaningThe sandblasting method helps remove carbon deposits inside the intake manifold and intake pipe, supporting smoother airflow and engine performance recovery.Intake Valve Backside CleaningWalnut shell abrasive impacts carbon deposits on the backside of the intake valve without using corrosive chemical cleaning agents.External Air Source ImpactThe 1200W machine works with an external air compressor to provide continuous blasting force and improve carbon removal efficiency.Built-In Dust FilterThe filter separates walnut shell abrasive from carbon deposits so the walnut media can be reused while reducing residual particles.Spray And Recovery TogetherHTS558 sprays and recovers walnut abrasive through an integrated closed-loop process, helping save time and reduce manual cleanup.5 Intake AdaptersThe machine includes 5 types of adapters to support different intake port shapes and vehicle cleaning needs.Reusable Walnut MediaWalnut shell abrasive is a natural polishing medium with hardness lower than metal but higher than carbon deposits, allowing repeated use under normal conditions.360° Swivel CasterThe 360° caster design makes the walnut blasting machine easier to move around a garage or workshop.3-Year SupportAUTOOL provides 3-year support for eligible non-human damage cases, including accessory, setup, and troubleshooting assistance. Click to enlarge Click to enlarge Click to enlarge Click to enlarge Click to enlargeHow It WorksHow It WorksWalnut blasting is a physical carbon cleaning method. Crushed walnut shells hit carbon deposits repeatedly, while the recovery system collects used abrasive and debris through a closed-loop process.1. Add Walnut MediaOpen the machine cover and add 2-4kg walnut powder. Press the dust guard onto the walnut powder and close the cover securely.2. Blast With AirThe external air compressor drives walnut shell abrasive through the spray gun at high speed for carbon deposit impact cleaning.3. Remove DepositsWalnut powder hardness is lower than metal but higher than carbon deposits, helping clean intake carbon without damaging the metal surface when used correctly.4. Recover And SeparateThe vacuum recovery system collects walnut media and carbon residue. The filter helps separate deposits from reusable walnut shell abrasive.SpecificationsHTS558 Product SpecificationsHTS558 is a 1200W walnut sand de-carbon cleaner with 13L capacity, 0.02MPa vacuum suction, less than 300L/min airflow, and 0.6-1.2mm walnut shell abrasive compatibility.Core SpecificationsProductAUTOOL HTS558 Walnut Sand De-Carbon CleanerApplicationIntake pipe, intake manifold, and intake valve backside carbon cleaningInput Voltage110V / 220VRated Frequency50 / 60HzRated Power1200WCapacity13LVacuum Suction0.02MPaAirflow<300L/minWalnut Shell Abrasive Size0.6-1.2mmSuggested Walnut Powder Amount2-4kgProduct Weight10kgPackage Dimensions400 × 400 × 540mmAdapters5 types of intake adaptersAir SourceExternal air compressor required; not includedFilterBuilt-in dust filterMobility360° swivel caster Click to enlarge Core SpecificationsProductAUTOOL HTS558 Walnut Sand De-Carbon CleanerApplicationIntake pipe, intake manifold, and intake valve backside carbon cleaningInput Voltage110V / 220VRated Frequency50 / 60HzRated Power1200WCapacity13LVacuum Suction0.02MPaAirflow<300L/minWalnut Shell Abrasive Size0.6-1.2mmSuggested Walnut Powder Amount2-4kgProduct Weight10kgPackage Dimensions400 × 400 × 540mmAdapters5 types of intake adaptersAir SourceExternal air compressor required; not includedFilterBuilt-in dust filterMobility360° swivel caster How To UseHow To UseUse HTS558 only after the engine is turned off, the intake valve is closed, walnut media has been added, and the external air compressor is securely connected.Step 1: Add Walnut PowderOpen the HTS558 cover, pour in 2-4kg walnut powder, press the dust guard onto the walnut powder, and close the cover securely.Step 2: Assemble Spray And Recovery HoseJoin the walnut blaster spray gun muzzle with the recovery hose. The recovery hose has a hole for the spray gun muzzle connection.Step 3: Prepare The EngineRemove the intake manifold, insert the spray gun into the intake, and rotate the crankshaft to close the intake valve before blasting.Step 4: Connect Air And PowerConnect the external high-pressure air compressor to the HTS558, connect AC power, and confirm all connections are secure before operation.Step 5: Clean And InspectStart cleaning for about 1-3 minutes depending on carbon deposit condition, then stop the machine and check the cleaning result.Use NotesClean one intake pipe or intake port at a time. A 6-cylinder engine should be cleaned 6 times, port by port.Use 0.6-1.2mm walnut shell abrasive. Under normal conditions, the abrasive can usually be reused 5-10 times.Wear safety goggles and respiratory protection during operation.Use dry compressed air to prevent moisture buildup and media clumping.Cleaning time depends on carbon deposit condition. Inspect the result before moving to the next intake port. Click to enlargeWhat Is In The BoxWhat Is In The BoxThe package image shows the HTS558 main unit, spray gun, hose, goggles, adapters, and accessories. Walnut sand and the external high-pressure air compressor are not included.Main UnitAUTOOL HTS558 walnut blaster machineSpray GunSandblasting gun and nozzle rods shown in the package imageRecovery HoseRecovery hose shown in the package imageAdapters5 yellow intake adapters and black rubber adapters shown in the package imageSafety GogglesIncluded as shown in the package imageNot IncludedWalnut sand and external high-pressure air compressorProduct ComparisonProduct ComparisonCompare HTS558 with HTS559, HTS518, HTS678, and HTS728 before choosing power, capacity, working modes, pressure control, filtration, connector range, and combustion chamber cleaning capability.Choose HTS558Choose HTS558 if you need a basic 1200W walnut blaster with 13L capacity and 5 adapters for intake pipe and intake valve backside cleaning.Choose HTS559Choose HTS559 if you want an upgraded model with 1400W rated power and 30L main unit capacity for higher efficiency and durability.Choose HTS518Choose HTS518 if you need High / Low Mode, Low-Speed Mode, more connectors, a storage box, and a three-section telescoping handle.Choose HTS678Choose HTS678 if you need 1500W power, a HEPA filter, pressure regulation knob, pressure gauge, and Standard / Expert Mode.Choose HTS728Choose HTS728 if you need the upgraded expert-grade model using finer 0.4-0.6mm walnut media and supporting combustion chamber cleaning.Decision CheckCompare rated power, capacity, adapter quantity, pressure gauge, pressure regulation, operating mode, HEPA filter, and cleaning range before ordering.ComparisonWhat Is The Difference Between Auto Engine Decarbonizer Machines?HTS558 is the basic 1200W / 13L model. HTS559 increases power and capacity. HTS518 adds more connectors and selectable modes. HTS678 adds pressure control, a pressure gauge, HEPA filtration, and expert mode. HTS728 is the advanced combustion chamber cleaning model.Basic ModelHTS558: 1200W, 13L capacity, 5 adapters, suitable for individual users and general workshops.Higher CapacityHTS559: 1400W, 30L main unit capacity, better for users who need more capacity and efficiency.Mode SelectionHTS518: supports High / Low Mode and Low-Speed Mode for different cleaning applications.Workshop UpgradeHTS678: adds HEPA filter, telescoping handle, pressure regulation, pressure gauge, and Standard / Expert Mode.Advanced CleaningHTS728: upgraded from HTS678 with finer 0.4-0.6mm walnut shell abrasive and combustion chamber cleaning support. Click to enlargeRelated ProductsRelated ProductsCompare related AUTOOL walnut blaster models and walnut sand media before choosing the right machine, cleaning range, capacity, and accessory setup. SALESelect options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Walnut Sand De-Carbon CleanerAUTOOL HTS558 Walnut Blaster Engine CleanerRated 0 out of 5(0) From US$359.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Walnut Sand De-Carbon CleanerAUTOOL HTS559 Walnut Blasting Machine SandblasterRated 0 out of 5(0) From US$549.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Walnut Sand De-Carbon CleanerAUTOOL HTS518 Car Engine Carbon Deposition Cleaner Intake Pipe Valve Cleaning Machine Decarbonizing Auto Decarbon WashRated 0 out of 5(0) From US$539.00 Select options This product has multiple variants. The options may be chosen on the product page SALESelect options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Carbon Deposit Cleaning EquipmentAUTOOL HTS678 Walnut Sand Blaster Cleaner Car Engine Carbon Deposition CleaningRated 0 out of 5(0) From US$999.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Walnut Sand De-Carbon CleanerAUTOOL HTS728 Walnut Blasting Machine Expert-Grade Carbon Cleaning MachineRated 0 out of 5(0) From US$2,399.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Walnut Blasting Machine Accessories1KG Walnut Sand For AUTOOL HTS558,HTS518,HTS559 and HTS678Rated 0 out of 5(0) From US$16.00 Select options This product has multiple variants. The options may be chosen on the product page Manual And DownloadsManual And DownloadsDownload the HTS558 user manual for setup, walnut media filling, compressor connection, adapter use, cleaning steps, safety guidance, and maintenance information. Click to enlargeAUTOOL HTS558 User ManualOpen the PDF manual for HTS558 operation, connection, cleaning, and safe-use instructions. Download ManualNeed Setup Confirmation?Contact AUTOOL Store before ordering if you need to confirm walnut media size, compressor requirement, adapter fitment, cleaning steps, package contents, or model selection. Email[email protected] WhatsApp 86 189 2647 7404Questions And AnswersThese answers cover walnut sand, carbon deposits, compressor requirements, cleaning range, operation, safety, replacement media, model differences, and support. What Is A Carbon Cleaning Walnut Blaster? A carbon cleaning walnut blaster is a specialized automotive cleaning tool that uses crushed walnut shells as abrasive media to clean carbon deposits from the engine intake pipe, intake manifold, and intake valve backside. HTS558 combines walnut blasting with vacuum recovery to help remove buildup that can reduce engine performance. What Is Walnut Sand? Walnut sand is made by crushing walnut shells and screening them into abrasive media. It is a natural polishing material with high hardness, pressure resistance, wear resistance, and a microporous surface. As an abrasive, it can remove carbon deposits without corroding or polluting the workpiece surface when used correctly. What Walnut Shell Abrasive Size Should I Use? Use walnut shell abrasive between 0.6-1.2mm for HTS558. Under normal conditions, walnut shell abrasive can usually be reused 5-10 times, depending on carbon deposit condition and cleaning environment. Is Walnut Sand Included In The HTS558 Package? No. Walnut sand is not included in the HTS558 package. The external high-pressure air pump or air compressor is also not included. Prepare suitable walnut shell abrasive and an external air compressor before cleaning. What External Air Compressor Is Required? Use an external air compressor with enough pressure for walnut blasting, generally 6bar or above. A dryer filter is recommended because moisture can cause walnut shell media to clump and reduce blasting performance. What Is Carbon Deposition And Why Clean It? Carbon deposition forms when fuel does not burn completely and hydrocarbon residues attach to the engine intake and cylinder area. At high temperature, these residues can become a hard black shell. Carbon buildup may reduce the air-fuel ratio, reduce engine output, increase fuel consumption, and cause idle shaking. Many users inspect or clean around 40,000-50,000km, or earlier when symptoms appear. How Does The HTS558 Walnut Blasting Machine Work? After the intake valve is closed, the external air compressor drives walnut powder through the spray gun into the engine intake. The walnut powder impacts carbon deposits on the intake pipe wall and intake valve backside thousands of times. At the same time, HTS558 recovers the walnut powder by vacuum and separates carbon residue through the dust filter. How Much Walnut Powder Should I Add? Add about 2-4kg walnut powder into the HTS558 before cleaning. Open the cover, pour in the walnut powder, press the dust guard onto the media, and close the cover securely before connecting the compressor and power. Can HTS558 Clean Injectors, Throttle Valves, Or Cylinders? No. HTS558 is designed for intake pipe and intake valve backside carbon cleaning only. For injector, throttle valve, or cylinder carbon cleaning, choose the corresponding AUTOOL injector cleaner or dedicated cleaning tool instead. Is Walnut Blasting Safe For Engines? Walnut blasting is generally suitable for intake and valve carbon cleaning when the correct procedure is followed. Always close the intake valve, use the proper adapter, wear safety gear, and avoid letting foreign matter enter sensitive intake systems. Consult a professional for vehicle-specific concerns. What Are The Main Risks During Walnut Blasting? The main risks come from incorrect preparation, intake valve not being closed, moisture causing media clumping, and breathing fine walnut shell dust. Wear goggles and respiratory protection, use dry compressed air, and make sure the engine and intake are prepared correctly before operation. How Often Should I Use A Walnut Blaster For Intake Cleaning? Cleaning frequency depends on vehicle age, mileage, driving habits, engine type, and carbon deposit symptoms. Many users inspect or clean intake carbon deposits around 40,000-50,000km, or when power drops, fuel consumption rises, or idle shaking appears. For a specific vehicle, consult a professional mechanic. What Is The Difference Between HTS558, HTS559, HTS518, HTS678, And HTS728? HTS558 is the basic 1200W model with 13L capacity and 5 adapters. HTS559 upgrades to 1400W and 30L capacity. HTS518 adds High / Low Mode and Low-Speed Mode. HTS678 adds a HEPA filter, pressure regulation knob, pressure gauge, and Standard / Expert Mode. HTS728 is the upgraded expert-grade model using finer 0.4-0.6mm walnut media and supporting combustion chamber cleaning. Are Replacement Parts And Walnut Media Available? Yes. Replacement parts and walnut blasting media can be purchased from AUTOOL. Use high-quality parts and media made for your machine, because low-quality or incorrect parts may reduce cleaning performance or damage the machine.Related GuidesRelated GuidesUse these related articles to understand walnut shell carbon cleaning, walnut blasting compared with dry ice blasting, and alternative engine carbon cleaning methods. Guide / 01-17-2025How Walnut Shells Effectively Remove Engine Carbon BuildupIs Engine Carbon Buildup Difficult to Clean? Traditional cleaning methods often fail to completely remove carbon deposits, but walnut shell cleaning technology offers. Guide / 09-29-2024Cleaning Engine Carbon – Dry Ice Blasting and Walnut BlastingCleaning engine carbon deposits: Is it necessary? The engine, as the “heart” of the car, can have its performance gradually affected by severe carbon buildup. Guide / 09-23-2024AUTOOL Dry Ice Blaster Machine – A Suitable SolutionWhether you are a first-time buyer or an experienced user of dry ice cleaning machines, this guide will walk you through everything you need to know about the AUTOOL. Guide / 07-18-2025Why Is Dry Ice Blasting So Expensive?More and more car enthusiasts and professionals are choosing dry ice blasting technology as an efficient and eco-friendly vehicle maintenance method. However, many are.Warranty And ContactWarranty And ContactFor HTS558 setup, walnut media selection, compressor confirmation, adapter fitment, packing list confirmation, replacement parts, troubleshooting, or model selection, contact AUTOOL Store directly.Pre-Sales And Product SupportUse support if you need help confirming HTS558 walnut media size, 2-4kg filling amount, 6bar external compressor requirement, dryer filter recommendation, intake valve preparation, adapter choice, package contents, or comparison with HTS559, HTS518, HTS678, and HTS728.3-year warranty support for eligible non-human damage casesWalnut sand, air compressor, and dryer filter setup confirmationPacking List and accessory confirmationAdapter and intake port cleaning guidanceReplacement parts and walnut media purchase supportHTS558 / HTS559 / HTS518 / HTS678 / HTS728 model selection Email Support[email protected] WhatsApp Support 86 189 2647 7404