Volvo Power Steering Pump
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Part Numbers and Versions
| Part Number | Vehicle Used in | Comment |
|---|---|---|
| 30636927 | 2004-2013 C30 C70 V50 S40 | unverified |
| 31202520 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36000075 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36000116 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36000772 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36000801 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36001211 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36001485 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36002698 | 2004-2013 C30 C70 V50 S40 | unverified |
| 36050678 | 2004-2013 C30 C70 V50 S40 | unverified |
| 8603041 | 2004-2013 C30 C70 V50 S40 | unverified |
| 8603274 | 2004-2013 C30 C70 V50 S40 | unverified |
Electrical Connection
Input signals, start and stop conditions described in S40 service manual[2]
The harness for the motor supply can be bought completely (Part Number: 30775461 [3]) or just the connector. There is connector kits available online (avoid the pig-tail version as the cable is way undersized. Link)
| Pin Number | Cable Color | Function | Comment |
|---|---|---|---|
| 1 | Red | Permanent +12V for Motor | Fused with 80A fuse (F2) |
| 2 | Black | GND |
| Pin Number | Cable Color | Function | Comment |
|---|---|---|---|
| 1 | Grey-Blue | Ignition +12V for Control | Fused with 10A fuse (F53) |
| 2 | CAN-?? | ||
| 3 | CAN-?? |
A visual guide of the pinout can be found on this MaxxECU online help page
CAN Bus Control
The CAN bus protocol has been reverse engineered in the rus EFI forum[7] and a LUA script example exists[8]
Additionally an implementation using arduino code[9]
Mechanical Properties
Fittings
- High pressure side (pump supply/outlet): M16x1.5 (you can use adapters like this one: https://www.ebay.de/itm/192079081475)
- Low pressure side (pump return/inlet) is just a hose. The fitting on the reservoir is likely 10mm (3/8").
Mounting Bracket
WillFab Motorsport (WFM) produces a universal fit bracket for this pump. Available here and here.
References
- ↑ https://rusefi.com/forum/viewtopic.php?p=45946#p45946
- ↑ https://www.volvo-forums.com/attachments/s40my2005_suspensionsteering-pdf.7233/
- ↑ https://usparts.volvocars.com/p/Volvo_2007_C30-24l-5-cylinder/Wiring-Harness-Cable-Harness-Power-Steering-Pump-Electrohydraulic-Power-Steering-Service-Solution-Servo-Pump/42906949/30775461.html (Backup: )
- ↑ 4.0 4.1 Volvo C30 2007 Schematic, TP39103202
- ↑ https://usparts.volvocars.com/p/Volvo_2007_C30-24l-5-cylinder/Receptacle-Housing-Cable-Harness-Engine-Component-Parts-Electrical-Power-Steering-Module-EPS/42815694/31266849.html
- ↑ https://usparts.volvocars.com/p/Volvo_2007_C30-24l-5-cylinder/Receptacle-Housing-Electric-Power-Steering-EPAS-Electrical-Power-Steering-Module-PSCM/65250641/31346135.html
- ↑ https://www.rusefi.com/forum/viewtopic.php?f=4&t=2329
- ↑ https://github.com/rusefi/rusefi/blob/master/firmware/controllers/lua/examples/Volvo-electric-power-steering-pump.txt
- ↑ https://github.com/NMSTEC/Volvo_EPS_FREE