Saab 9-5 Windshield Washer Pump: A Replacement Guide (1999-2011)
Everything a Saab 9-5 owner needs to know about diagnosing and replacing a failed windshield washer pump.
- Diagnose the problem by listening for the pump's hum; no sound points to a failed pump or fuse.
- Access the pump by removing the driver's side front wheel and inner fender liner.
- Confirm which pump has failed; windshield, headlight, and rear washer pumps are not interchangeable.
- For a reliable repair, choose a quality aftermarket brand like Hella, which is known to be an OEM supplier for Saab.
Is Your Washer Pump Failing?
A non-working washer pump is a common issue on the Saab 9-5, but it's usually a straightforward fix. The first step is to figure out what's wrong. When you pull the washer stalk, listen for the pump.
- If you hear a humming sound: The pump motor is getting power. The problem is likely a clog in the system, a disconnected hose, or low fluid. Check the washer fluid level first. If it's full, the nozzles on the hood could be clogged with wax or debris, or the intake filter on the pump itself could be blocked by old, sludgy fluid.
- If you hear nothing at all: The pump is likely not getting power or the motor has failed. The most common cause is a burned-out pump motor. A seized motor can also blow the fuse, so it's important to check that as well.
Check the Fuse First
Before you order a new pump, always check the fuse. A failed pump can blow the fuse when it seizes. On many Saabs, the washer pump fuse is located in the fuse box in the engine bay. If you replace the fuse and it blows immediately when you try to use the washers, the pump has an internal short and definitely needs to be replaced.
Choosing the Right Aftermarket Pump
The original Saab washer pump can be expensive, but high-quality aftermarket parts offer a reliable and affordable alternative. For the 1999-2011 Saab 9-5, the market offers several tiers of quality.
OEM-Quality Aftermarket (Hella): Hella is a well-respected German brand that was an Original Equipment Manufacturer (OEM) for many European cars, including Saab. Choosing a Hella pump is the closest you can get to the original part's quality and fit, making it a top-tier choice for reliability.
Standard Aftermarket (Trico): Trico is a well-known brand in the wiper and washer industry. Their pumps are widely available and considered a solid mid-range option, providing good performance and value for daily drivers.
Common Ordering Mistake
Many Saab 9-5 models have two or even three washer pumps: one for the windshield, one for the high-pressure headlight washers, and on wagon models, one for the rear window. These pumps are not the same and are not interchangeable. Before ordering, make sure you are replacing the correct pump for the system that has failed.
Installation Overview
Replacing the washer pump on a 9-5 is a manageable DIY job for most home mechanics. The pump is located at the bottom of the washer fluid reservoir, which is accessed through the front wheel well.
- Safely jack up the car and remove the front driver's side wheel.
- Remove the plastic wheel arch liner to expose the washer fluid reservoir.
- Have a bucket ready to catch the washer fluid that will drain out.
- Disconnect the electrical connector and the fluid hose from the old pump.
- The pump is press-fit into a rubber grommet in the reservoir. Simply pull the old pump out.
- Press the new pump firmly into the grommet, reconnect the electrical plug and hose, and reinstall the wheel liner and wheel. 🎬 Follow these steps to install your new windshield washer pump.
| Part Type | Typical Cost |
|---|---|
| New OEM | $60 - $85 |
| New Aftermarket (Hella, Trico) | $25 - $107 |
| Shop Labor | $90 - $120 |
Frequently Asked Questions
Where is the washer pump located on a 1999-2011 Saab 9-5?
The windshield washer pump is press-fit into the bottom of the washer fluid reservoir. It is accessed by removing the front driver's side wheel and the plastic fender liner.
🎬 See how to access and remove the washer pump and tank.Is replacing the washer pump a difficult job?
No, it is considered a relatively easy DIY task that takes about 30-60 minutes with basic hand tools. You will need to safely lift the front of the car to remove the wheel.
My washers are weak or spray unevenly. Is the pump bad?
Not necessarily. Weak or uneven spray is often caused by clogged nozzles or a partially blocked filter at the pump's intake. Try cleaning the nozzles with a small pin first. If that doesn't work, the filter on the pump itself may be clogged with debris.
🎬 Watch this guide to diagnosing weak or non-spraying washer systems.Are there any recalls for the Saab 9-5 washer pump?
No, a search of the National Highway Traffic Safety Administration (NHTSA) database shows no recalls specifically for the windshield washer pump on the 1999-2011 Saab 9-5.
Helpful Videos
Technical Specifications
OEM Part Numbers: 90508709 12788695 4832911
Voltage: 12V, Pump Type: Mono Pump. Note that different pumps are used for windshield, headlight, and rear window systems.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Saab 9-5: