Saab 900 Workshop Manuals and Repair Manuals
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Saab 900Produced by the Saab Automobile, Saab 900 was a compact luxury automobile. The classic was its first generation that was produced around 1978 to 1993, and then followed the new generation that was produced from 1994 to 1998. The 900 was produced in 2- and 4-door sedan, and 3- and 5-door hatchback configurations; in addition, from 1986, a cabriolet (convertible) model was produced. There were single- and twin-Zenith carburettor, fuel-injection, and turbocharged engines, including both Full Pressure Turbo (FPT), and, in European models during the early 1990s, Low Pressure Turbos (LPT). Saab 900 s predecessor was the Saab 99 and its successor was Saab 9-3. Its production was ended in 1998.
Saab 900 FAQ's
How do I change the oil in my Saab 900?
To change the oil in your Saab 900, start by locating the oil drain plug underneath the engine. Use a wrench to loosen the plug and let the old oil drain into a pan. Once drained, remove the oil filter and replace it with a new one. Finally, tighten the drain plug and refill the engine with the recommended amount of fresh oil.
How do I flush and refill the coolant in my Saab 900?
To flush and refill the coolant in your Saab 900, start by locating the radiator drain plug, usually at the bottom of the radiator. Place a container underneath to catch the draining coolant, then open the drain plug and allow the coolant to completely drain. Once drained, close the drain plug and refill the radiator with a coolant mixture recommended by the manufacturer. Bleed any air from the system and check the coolant level in the overflow reservoir. It is essential to follow the proper coolant mixing ratios and use a coolant compatible with your Saab 900's specifications.
How do I replace a blown fuse in my Saab 900?
To replace a blown fuse in your Saab 900, start by locating the fuse box, which is usually found in the engine compartment or under the dashboard. Use the fuse diagram in the owner's manual or on the fuse box cover to identify the specific fuse that needs to be replaced. Once located, carefully remove the blown fuse using a fuse puller or a pair of needle-nose pliers. Insert a new fuse of the same amperage rating into the designated slot, making sure it is securely seated. Finally, close the fuse box and test the electrical component that was affected to ensure it is functioning properly.
How do I replace a broken headlight in my Saab 900?
To replace a broken headlight in your Saab 900, open the hood and locate the back of the headlight assembly. Disconnect the electrical connector and remove the retaining clips or screws that hold the headlight in place. Carefully pull the old headlight out and insert the new one. Secure it with the retaining clips or screws, reconnect the electrical connector, and test the headlight to ensure proper functionality.
How do I replace a faulty alternator in my Saab 900?
To replace a faulty alternator in your Saab 900, start by disconnecting the negative battery cable to ensure safety. Remove the serpentine belt by releasing the tension on the belt tensioner and sliding the belt off the alternator pulley. Disconnect the electrical connectors and mounting bolts that secure the alternator in place. Remove the old alternator and install the new one, reconnecting the electrical connectors and mounting bolts. Finally, reinstall the serpentine belt, ensuring proper alignment, and reconnect the negative battery cable.
How do I replace a worn serpentine belt in my Saab 900?
To replace a worn serpentine belt in your Saab 900, start by locating the belt tensioner, which is usually located near the front of the engine. Use a wrench or a socket to release the tension on the belt by rotating the tensioner in the appropriate direction. Once the tension is released, carefully remove the old belt from the pulleys. Route the new belt according to the diagram found on the engine or in the repair manual, ensuring it is properly seated on each pulley. Finally, release the tensioner to apply tension to the new belt and inspect its alignment to ensure proper operation.
How do I troubleshoot a faulty power window in my Saab 900?
If you are experiencing issues with a power window in your Saab 900, there are a few troubleshooting steps you can take. First, check the window switch to ensure it is functioning correctly. If the switch seems to be working fine, inspect the wiring and connections for any signs of damage or loose connections. Additionally, it's worth checking the fuse related to the power windows to ensure it hasn't blown. If these steps don't resolve the issue, it is recommended to consult a professional for further diagnosis and repair.
How often should I replace the timing belt in my Saab 900?
The timing belt in a Saab 900 should typically be replaced every 60,000 to 90,000 miles, or according to the manufacturer's recommended maintenance schedule. It is crucial to replace the timing belt at the recommended intervals to prevent it from breaking, as a broken timing belt can cause severe engine damage. If you notice any signs of wear or cracking on the timing belt, it is advisable to replace it sooner rather than later.
What are the common causes of engine overheating in a Saab 900?
Engine overheating in a Saab 900 can be caused by a faulty thermostat, a malfunctioning cooling fan, low coolant level, or a clogged radiator. The thermostat regulates the engine's temperature, so if it fails, the engine may overheat. The cooling fan should turn on when the engine reaches a certain temperature, but if it doesn't, the engine can quickly overheat. Low coolant level or a clogged radiator can also hinder the cooling system's ability to dissipate heat properly, leading to overheating.
What can cause my Saab 900's engine to misfire?
Engine misfires in a Saab 900 can be caused by various factors, such as a faulty spark plug, a malfunctioning ignition coil, a clogged fuel injector, or a vacuum leak. A worn or damaged spark plug can fail to ignite the air-fuel mixture properly, leading to a misfire. Similarly, a malfunctioning ignition coil can disrupt the spark generation process. A clogged fuel injector can result in an inadequate fuel supply, while a vacuum leak can cause an imbalance in the air-fuel mixture. It is advisable to have the vehicle inspected by a professional to determine the exact cause of the misfire.
What should I do if my Saab 900's brakes are squealing?
If your Saab 900's brakes are squealing, it is often an indication that the brake pads are worn and need to be replaced. Squealing can occur when the brake pad's wear indicator makes contact with the rotor, alerting you to the need for new pads. Additionally, it's important to inspect the rotors for any damage or uneven wear, as this can also contribute to brake noise. If in doubt, it is recommended to have a professional mechanic inspect and replace the brake pads if necessary.
What should I do if my Saab 900's check engine light is on?
If your Saab 900's check engine light is illuminated, it indicates that the engine management system has detected a potential issue. It is recommended to use an OBD-II scanner to retrieve the specific diagnostic trouble code (DTC) associated with the check engine light. Once you have the code, consult the repair manual or seek assistance from a professional to interpret the code and diagnose the underlying problem. Depending on the severity of the issue, it may be necessary to have the vehicle repaired to prevent further damage or potential safety hazards.
Why is my Saab 900 experiencing rough idling?
Rough idling in a Saab 900 can be caused by several factors, including a dirty or faulty idle air control valve, a clogged fuel injector, a vacuum leak, or a malfunctioning ignition system. The idle air control valve regulates the engine's idle speed, so if it becomes dirty or faulty, it can disrupt the smooth operation of the engine at idle. A clogged fuel injector can result in an uneven fuel supply, leading to rough idling. Similarly, a vacuum leak can introduce excess air into the engine, causing irregular combustion. It is recommended to have the vehicle inspected by a professional to diagnose and address the specific cause of rough idling.
Why is my Saab 900's air conditioning blowing warm air?
If your Saab 900's air conditioning is blowing warm air, it could be due to a variety of reasons. The most common cause is a refrigerant leak, which can prevent the system from properly cooling the air. Other possible causes include a malfunctioning compressor, a faulty condenser, or a problem with the blend door that controls the temperature. It is recommended to have a professional diagnose and repair the issue to ensure proper functioning of the air conditioning system.
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