For Chevy Trailblazer GMC Envoy 4.2L 2002-2009 Air Conditioner Compressor+Clutch

Specification & Feature: \*Condition: 100% Brand New and High Quality. \*According to the original factory specifications. \*Perfect match for the original car. \*Stable characteristics, high reliability. \*According to the original factory specifications. \*Perfect match for the original car. \*Stable characteristics, high reliability. **Replace OEM Number:** **CO4910AC,25825339, 25825341, 6511418, 77561, 254427** **Fitment:** **2004-2007 Buick Rainier 4.2L** **2002-2009 Chevrolet Trailblazer 4.2L (1st Design; 2nd Design)** **2002-2006 Chevrolet Trailblazer EXT 4.2L** **2002-2009 GMC Envoy 4.2L** **2002-2006 GMC Envoy XL 4.2L** **2004-2005 GMC Envoy XUV 4.2L** **2003-2008 Isuzu Ascender 4.2L** **2002-2004 Oldsmobile Bravada 4.2L** **2005-2009 Saab 9-7x 4.2L** **Package Includes:** 1 x Air Conditioner Compressor **Note：** \*Please make sure the installation site is clean. Or, it will cause operating obstruction, even  make the temperature of the compressor very high, and the belt on the clutch may melt. \*Because the item is with oil when sent to you, so there is no need to add oil when you use it  the first time. But you need to add the , please add about 500g, don't need to fill  up. There may be noise if the is added too much. \*No installation instruction included, professional installation is highly recommended. # **Automotive Air Conditioning Compressor Disassembly and** **Assembling** **Steps** ## **1\. Preparation** Before you start to disassemble the automobile air conditioning compressor, you need to do the following preparatory work. 1\. Make sure the car has been parked and completely turned off. 2\. The vehicle should be in a flat and safe environment, avoiding operation on slopes or unstable ground. 3\. Wear acid and alkali-resistant gloves and goggles for protection. 4.When you receive this compressor item, please first check if there is any damage to the compressor, and then manually rotate the wheels and suction blades to see if there are any abnormalities. Furthermore, please confirm if the 12V plug of the power clutch is properly powered on ## **2.Disassemble the air conditioning compressor** ### **2.1 Compressor location determination** Before removing the air conditioning compressor, its location needs to be determined. Typically, the air conditioning compressor is located at the front of the engine compartment, and its exact location can be found through the technical manual provided by the vehicle manufacturer or online resources. ### **2.2 Discharging the refrigerant** Before removing the air conditioning compressor, the refrigerant in it must be drained. This is very important as refrigerants can be harmful to the environment and illegal. The following are the steps for discharging the refrigerant. 1\. Open the hood of the vehicle. 2\. Locate the refrigerant charging and discharging ports on the air conditioning compressor. 3\. Use a refrigerant recovery machine to pump out the refrigerant and store it. Be sure to follow local regulations to ensure proper handling of the refrigerant. ### **2.3 Removing the connecting piping** After discharging the refrigerant, it is necessary to remove the connection pipes on the air conditioning compressor. These pipes are usually bolted or clamped to the compressor. The following are the steps for removing the connecting pipes. 1\. Loosen the bolts or pliers on the connecting pipes with the appropriate tools. 2\. Carefully separate the connecting pipe from the compressor. It may be necessary to shake the connection pipes gently to loosen them. ### **2.4 Removing the electrical connections** After removing the connecting pipes, it is necessary to remove the electrical connections on the compressor. These electrical connections are usually secured to the compressor by plugs or screws. The following are the steps for removing the electrical connections. 1\. Locate the electrical connections on the compressor. 2\. If there is a plug connection, carefully unplug it from the compressor. 3\. If there is a screw connection, use the appropriate tool to loosen the screw and remove the wire. ### **2.5 Removing the compressor** After completing the above steps, the entire air conditioning compressor can now be removed. The following are the steps for removing the compressor. 1\. Remove the bolts or screws holding the compressor in place using a wrench or wrench glove device. 2\. Carefully remove the compressor from its mounting position. ## **3.Installation of a new air-conditioning compressor** ### **3.1 Preparation for installing a new compressor** Before installing a new air conditioning compressor, some parts need to be prepared. The following are the steps of preparation. 1\. Clean the joints of the connecting pipes and make sure that their surfaces are clean and dust-free. 2\. Prepare the new compressor and make sure it fits your vehicle model and cooling system. 3\. Prepare new washers, bolts, or screws to fix the new compressor. ### **3.2 Installing the air conditioning compressor** The following are the steps for installing a new air conditioning compressor. 1\. Carefully place the new compressor in its mounting position. 2\. Use new bolts or screws and place washers in the necessary positions before installation. 3\. Tighten the compressor bolts or screws using a wrench or wrench-glove device. ### **3.3 Connecting the wires** The following are the steps for connecting the wires. 1\. Connect the compressor wires to the new compressor. Depending on the disassembly procedure in the previous section, plug or screw connections may be required. 2\. Make sure the wires are securely connected. ### **3.4 Connecting the pipe** The following are the steps for connecting the pipe. 1\. Gently insert the connection of the connecting pipe into the corresponding connection of the compressor. 2\. Use a tool to tighten the bolts or pliers connecting the pipe to ensure a tight connection. ## **4.Testing the new unit** After installing a new air conditioning compressor, it needs to be tested to make sure it is working properly. The following are the steps to test the new unit. 1\. Close the hood of the vehicle. 2\. Start the engine and turn on the air conditioning system. 3\. Observe the air conditioning system for proper operation and use a thermometer or feel to determine if the system is producing cold air. 4\. Make sure there is no unusual noise or odor from the compressor. If the test reveals any problems, it is advisable to seek the help of a professional automobile mechanic. ## **5.Summarize** With the above steps, we can carry out the disassembly and installation of automobile air conditioning compressor smoothly. Please be sure to follow the vehicle manufacturer's service manual, safety codes, and relevant local regulations to ensure personal safety and proper handling of refrigerant. Disassembling and assembling the auto air conditioning compressor requires certain skills and experience, if you are not sure of the operation steps or do not have the necessary tools, please seek professional help. Fees such as import duties, taxes are not included in the item price or shipping costs. These charges are the buyer's responsibility. Delivery details Shipping: **2-9 working days to: USA** Terms of sales - We maintain high standards of excellence and strive for hundred percent customer satisfaction. Feedback is very important to us. We hope that you contact us immediately before you give neutral or negative feedback, so that we can address your concerns. It is impossible to address issues if we do not know about them! We work hard to earn your trust and future business. Our certified technicians have tested each item before shipping. The unit comes with 1 year limited warranty on all manufacturing defects. a) If you receive a defective item, you may return it or ask for a discount. Please contact us within 14 days after you receive the package. b) What you returned must be intact and in its original packaging as re? u. Customer is responsible for shipping costs of the returned item. c) We will cover the cost of shipping back t with the shipping rate indicated in the registration page. We will send you a new unit or refund the full payment you paid. Thank you. Contact us Business Hour Business Hour: Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time) Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday. Please feel free to contact us if you have any questions. Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time) Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday. Please feel free to contact us if you have any questions.

• OE/OEM Part Number: CO4910AC,25825339, 25825341, 6511418, 77561, 254427
• Interchange Part Number: CO4910AC,25825339, 25825341, 6511418, 77561, 254427
• Type: A/C Compressor
• Manufacturer Warranty: Yes
• Fitment Type: Direct Replacement
• Superseded Part Number: 78561,6511418,1521182,CS10054,0610103,1521727,2041570
• Brand: Unbranded
• Feature 1: Easy installation,Convenient Use,Easy Operation
• Installation Instructions: Not included
• shipping notice: Can not ship to Puerto Rico,Alaska/Hawaii
• shipping notice：: Can not ship to Puerto Rico,Alaska/Hawaii
• Surface Finish: High Quality Material
• Grooves: 6
• Gauge Line (mm): 71.1
• Fit: 2004-2007 Buick Rainier 4.2L
• Fit2: 2002-2009 Chevrolet Trailblazer 4.2L
• Fit3: 2002-2006 Chevrolet Trailblazer EXT 4.2L
• Fit4: 2002-2009 GMC Envoy 4.2L
• Fit5: 2002-2006 GMC Envoy XL 4.2L
• 最终价格: 121