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Auto Transmission Parts Power Steering Pump OE 36000790 Servo Pump for Volvo
The Power Steering Pump (also referred to as Servo Pump, OE Number: 36000790) is a critical hydraulic component engineered exclusively for select Volvo models, including the XC70, S80/S80L, and V70. It serves as the core of the vehicle’s power steering system, generating hydraulic pressure to reduce the effort required to turn the steering wheel—enhancing driver comfort and control, especially at low speeds (e.g., parking, city driving).
Constructed with a high-strength aluminum housing (for weight reduction and heat dissipation), a precision-machined internal rotor, and durable seals (resistant to hydraulic fluid degradation), this OE-grade pump adheres to Volvo’s strict engineering standards. Unlike generic aftermarket pumps, its pressure output, flow rate, and mounting dimensions are calibrated to match the original steering system’s specifications—ensuring seamless integration with the steering rack, hoses, and reservoir. This eliminates issues like erratic steering, insufficient assist, or premature system failure common with mismatched components.
Core Functions
Hydraulic Pressure Generation: Converts rotational power from the engine (via a drive belt) into hydraulic pressure (typically 800–1,200 PSI, per Volvo’s standards). This pressure is transmitted to the steering rack, which uses it to amplify the driver’s steering input—reducing turning effort by 50–70% compared to manual steering.
Consistent Steering Assist: Maintains stable pressure and flow rate across all engine speeds (idle to high RPM). At low speeds (e.g., parking), it increases flow to maximize assist; at high speeds, it modulates pressure to retain road feel (preventing over-assist, which reduces driver control).
Heat Dissipation: The aluminum housing and internal fluid channels dissipate heat generated by hydraulic friction. This prevents the power steering fluid from overheating (which degrades fluid performance and damages seals), ensuring reliable operation even in extreme conditions (e.g., heavy traffic, hot climates).
System Protection: Features a built-in pressure relief valve that prevents excessive pressure buildup (e.g., if the steering wheel is turned to full lock for extended periods). This protects the steering rack, hoses, and reservoir from damage, extending the overall lifespan of the power steering system.
Compatible Vehicles
This Power Steering Pump (OE: 36000790) is specifically tailored for Volvo’s wagon, sedan, and crossover models from the late 2000s to early 2010s. Below is a consolidated list of variants and applicable years :
Model
Applicable Years
Volvo XC70 (08-)
2008–2010
Volvo S80 (07-)
2007–2012
Volvo S80L
2009–2010
Volvo V70 (08-)
2008–2012
Notes: “(07-)” / “(08-)” denote models launched from the specified year onward. “S80L” refers to the long-wheelbase variant of the S80 (primarily for Asian markets). For 100% fitment accuracy, confirm compatibility with your vehicle’s VIN (Vehicle Identification Number) or Volvo’s official service manual—this accounts for engine-specific drive belt configurations and regional steering system variations.
Frequently Asked Questions
Q: How to determine if the bumper bracket needs replacement?
A: Signs of a failing bumper bracket include visible damage or deformation, misaligned bumper panels, unusual noises from the front end, or if the bumper appears loose or sagging on one side.
Q: What should be paid attention to when replacing the bumper bracket?
A: For optimal results, we recommend professional installation. Key considerations include ensuring proper alignment of all mounting points, checking for additional damaged components, and verifying all fasteners are properly torqued to specification.
Why Choose Our Products
Extensive Industry Experience: 13 years specializing in Volvo auto parts with precise product matching and technical solutions.
Quality Assurance: 10-stage quality inspection process including durability testing, surface roughness analysis, and dimensional verification.
Manufacturing Excellence: 15,000㎡ production base with 10,000+ SKUs in inventory for fast order fulfillment.
Strategic Partnerships: Collaborations with 50+ factories including suppliers to international brands like Bosch and Hella.
Company Profile
Established in Guangzhou China, Womala Auto parts as a comprehensive company with five branches has engaged in Volvo parts for more than 10 years.There are hundreds of professional staff working in our supply department, sales and logistic support departments.Thanks to the deep coop... Company Profile
Established in Guangzhou China, Womala Auto parts as a comprehensive company with five branches has engaged in Volvo parts for more than 10 years.There are hundreds of professional staff working in our supply department, sales and logistic support departments.Thanks to the deep coop...
