How does the brake system work on a Saab 9-3?
The switch closes to start the pump at a pressure of 49 ±3 KPa. When the pressure reaches 42 ±3 Kpa, the switch will open and the pump stop. On the vacuum pipe between the electric vacuum pump and the brake servo unit is a Tcoupling. connections. On one of the pipes, connected directly to the intake manifold, there is also a check valve.
Why is my clutch pedal not working on my Saab 9-3?
This problem is very common and occurs in all Saab 9-3 cars with manual transmission up to 10 years old. The reason is simple – fatigue of the material , underneath the clutch pedal is a small spring that rests on one end with the pedal and the other end rests on a yellow plastic clip.
Where is the pressure sensor on a Saab 9-3?
The relay in turn is governed by a pressure sensor located on the hose between the vacuum pump and the brake servo. This sensor comprises a diaphragm, spring, switch and check valve. The switch closes to start the pump at a pressure of 49 ±3 KPa. When the pressure reaches 42 ±3 Kpa, the switch will open and the pump stop.
What happens when the spring drops on a Saab?
When the spring drops, many riders are scared, but do not have to fear, Saab is drivable, but since the spring is out of service – the clutch pedal cannot return to the top up position and will not operate cruise control (for cars with cruise control as an option).
The switch closes to start the pump at a pressure of 49 ±3 KPa. When the pressure reaches 42 ±3 Kpa, the switch will open and the pump stop. On the vacuum pipe between the electric vacuum pump and the brake servo unit is a Tcoupling. connections. On one of the pipes, connected directly to the intake manifold, there is also a check valve.
This problem is very common and occurs in all Saab 9-3 cars with manual transmission up to 10 years old. The reason is simple – fatigue of the material , underneath the clutch pedal is a small spring that rests on one end with the pedal and the other end rests on a yellow plastic clip.
The relay in turn is governed by a pressure sensor located on the hose between the vacuum pump and the brake servo. This sensor comprises a diaphragm, spring, switch and check valve. The switch closes to start the pump at a pressure of 49 ±3 KPa. When the pressure reaches 42 ±3 Kpa, the switch will open and the pump stop.
When the spring drops, many riders are scared, but do not have to fear, Saab is drivable, but since the spring is out of service – the clutch pedal cannot return to the top up position and will not operate cruise control (for cars with cruise control as an option).
How to remove a vacuum brake booster valve?
Move the clamp away from the clamping location, so the hose can be removed. Step 5: Remove the brake booster vacuum hose. When removing the vacuum hose from the vacuum brake booster check valve, use a twist and pull method. The twist should break the seal and allow you to pull the hose off. Step 6: Remove the vacuum brake booster check valve.
What kind of engine does a Saab 9-3 convertible have?
For 2004, the 9-3 convertible has been given the same full makeover the sedan received last year. The convertible is available in Arc and Aero models and equipped only with the 210-horsepower engine.
What kind of rollover protection does a Saab 9-3 have?
One of these is the “DynaCage” rollover protection system that combines seatbelt pre-tensioning with pop-up rear roll bars (they deploy when a rollover is determined to be imminent) and strengthened A-pillars. To improve their effectiveness, as well as the car’s styling, the front seatbelts are fully integrated into the front seats.