2011 Saab 9-5 Washer Reservoir: Diagnosing Leaks and Headlamp Washer Variants
This guide covers how to find the source of washer fluid leaks and ensure you purchase the correct reservoir for your 2011 Saab 9-5, especially for models with the headlamp cleaning system.
- The most critical factor is compatibility: you must get the correct reservoir for models with or without the headlamp cleaning system.
- Leaks are more often caused by hardened rubber pump grommets than a cracked tank. Check these seals first.
- When buying a used reservoir, inspect it carefully for hairline cracks, especially at the seams and mounting points.
- Replacing the reservoir is a straightforward DIY job that requires removing the driver's side wheel and wheel well liner for access.
Symptoms of a Failing Washer Fluid Reservoir
Failures in the washer reservoir system are typically easy to spot. Here are the most common signs that your reservoir or one of its related components has a problem.
Visible Fluid Leak
The most obvious symptom is a puddle of blue, green, or orange fluid on the ground, usually under the front corner of the car on the driver's side. If you notice you're having to refill the washer fluid frequently, a leak is the most likely culprit. While the tank itself can crack, the leak often comes from the rubber grommets that seal the washer pumps and the level sensor.
Washer Jets Don't Spray
If you activate the washers and hear the pump motor whirring but no fluid comes out, your reservoir is likely empty due to a leak. If you don't hear the pump at all, the issue is more likely the pump itself, a fuse, or a wiring problem. In some cases, a large crack in the reservoir can cause the fluid level to drop below the pump's pickup point.
Low Fluid Warning Light Stays On
If you've filled the reservoir but the 'Low Washer Fluid' warning light on your dashboard won't turn off, it could indicate a faulty fluid level sensor. On the 2011 Saab 9-5, this sensor is integrated into the reservoir assembly. While less common, a constantly illuminated light points to an electrical failure in the sensor itself.
Known Issues, Recalls, and TSBs for the 2011 Saab 9-5
As of mid-2026, there are no specific recalls or Technical Service Bulletins (TSBs) issued by GM or Saab for the washer fluid reservoir on the 2011 Saab 9-5. The primary issues reported by owners are age-related leaks.
- Pump Grommet Leaks: The most common failure point is not the tank itself, but the small rubber seals (grommets) where the washer pumps push into the reservoir. Over time, this rubber can harden and shrink, allowing fluid to seep out. There are separate grommets for the windshield washer pump and the high-pressure headlamp washer pump.
- Tank Cracking: While durable, the plastic reservoir can develop cracks. This is often caused by using plain water in the reservoir, which then freezes and expands in cold weather, cracking the tank. Minor front-end impacts can also cause stress fractures.
Pro Tip: If you have a leak, check the pump grommets first! It's common for a leak to be caused by a simple, inexpensive rubber seal rather than the entire reservoir. You can often see blue staining or active dripping around the base of the pumps.
Buying a Used Washer Fluid Reservoir: A Buyer's Guide
A used OEM reservoir is an excellent, cost-effective replacement. Because this part is specific to the 2010-2011 Saab 9-5, aftermarket options are virtually nonexistent. Here’s what to look for when buying a recycled part.
1. Crucial: Verify Headlamp Washer Compatibility
This is the most important step. The 2011 Saab 9-5 was available with or without a high-pressure headlamp cleaning system. These two systems use different reservoirs.
- With Headlamp Washers: The reservoir will have ports for two pumps (a low-pressure one for the windshield and a high-pressure one for the headlights) plus a port for the level sensor.
- Without Headlamp Washers: The reservoir will only have a port for the single windshield washer pump and the level sensor.
Confirm which version your car has before you buy. The easiest way is to check your original tank for part number 13313667, which is for the version with headlamp washers.
2. Physical Inspection Checklist
When you have the used part in hand, inspect it carefully:
- Check for Cracks: Examine the entire surface, paying close attention to the seams and the mounting tabs where bolts pass through. Flex the tank slightly to reveal any hairline cracks.
- Inspect the Ports: Look at the openings for the pumps and level sensor. Ensure the plastic isn't cracked or broken.
- Check the Filler Neck: Make sure the filler neck and cap are present and not damaged.
- Look for Chalky Plastic: Avoid reservoirs that look excessively faded, white, or chalky. This can be a sign the plastic has become brittle from age and heat exposure.
- Pumps and Sensor: Many used reservoirs are sold with the pumps and sensor still installed. While convenient, it's wise to plan on using your original components or replacing the grommets, as their condition is unknown.
Cost Comparison
Prices can vary based on supplier and condition. Here are some typical cost ranges:
| Part Type | Estimated Cost |
|---|---|
| New OEM | $80 - $115 |
| New Aftermarket | Not generally available |
| Used OEM | $40 - $75 |
| Shop Labor | $100 - $200 |
Replacement Overview
Replacing the washer reservoir is a feasible DIY project for someone with basic mechanical skills. Accessing the reservoir requires removing the driver's side front wheel and pulling back the plastic wheel arch liner. In some cases, partially removing the front bumper cover may provide better access.
- Difficulty: 2 out of 5
- Estimated Time: 1-1.5 hours
- Tools Needed: Jack and jack stands, lug wrench, socket set, trim removal tools, drain pan.
Warning: Before starting, be prepared to drain any remaining fluid from the reservoir. Have a drain pan ready when you disconnect the pumps.
Frequently Asked Questions (FAQ)
My Saab doesn't have headlamp washers. Can I use a reservoir that does?
Yes, you likely can. You would simply need to purchase a rubber plug or cap to securely block off the unused headlamp washer pump port to prevent leaks. However, finding the correct reservoir for your specific vehicle is always the best practice.
Should I replace the washer pumps and grommets at the same time?
If your pumps are working correctly, there is no need to replace them. However, it is highly recommended to replace the rubber grommets anytime the reservoir is removed or replaced. These seals are inexpensive and are the most common source of leaks.
What causes the washer reservoir to fail?
The most common cause of failure is cracking due to age, vibration, and heat cycles. A significant contributor to cracking is using plain water in the system, which can freeze in cold climates and expand, breaking the plastic tank.
Is it difficult to replace the washer reservoir myself?
For a DIY mechanic, this is a manageable job. The main challenge is accessing the part, which involves removing the front driver's side wheel and wheel well liner. No special programming or calibration is required.
Technical Specifications
OEM Part Numbers: 13313667 13240935 13311618 1450064
Material: Plastic. Location: Front, driver's side, behind bumper/wheel well liner. Variants exist for models with and without headlamp washers.
We Have This Part in Stock
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:
- 🛍️ Shop This Part
- Symptoms of a Failing Washer Fluid Reservoir
- Visible Fluid Leak
- Washer Jets Don't Spray
- Low Fluid Warning Light Stays On
- Known Issues, Recalls, and TSBs for the 2011 Saab 9-5
- Buying a Used Washer Fluid Reservoir: A Buyer's Guide
- 1. Crucial: Verify Headlamp Washer Compatibility
- 2. Physical Inspection Checklist
- Cost Comparison
- Replacement Overview
- Frequently Asked Questions (FAQ)
- 🎟️ Get 5% Off