Volvo Power Steering Pump - Revision history

Marc986: Formatted table

2026-02-23T21:30:12Z

Formatted table

← Older revision		Revision as of 21:30, 23 February 2026
Line 171:		Line 171:
	\|}		\|}
	At least some pumps use a different control connector:		At least some pumps use a different control connector:
	{\|		{\| class="wikitable"
	\|+		\|+OEM (Yazaki) Part Numbers
	~~'''~~OEM (Yazaki) Part Numbers~~'''~~
	!Part		!Part
	!Part Number		!Part Number

Marc986: Added information about control connector in use on some pumps

2026-02-23T21:27:54Z

Added information about control connector in use on some pumps

@@ Line 170: / Line 170: @@
+|
 |}
 == CAN Bus Control ==

Jason arnold: Fixed dead link in Mounting Bracket

2025-10-03T03:10:58Z

Fixed dead link in Mounting Bracket

← Older revision		Revision as of 03:10, 3 October 2025
Line 188:		Line 188:

	=== Mounting Bracket ===		=== Mounting Bracket ===
	WillFab Motorsport (WFM) produces a universal fit bracket for this pump. Available [https://~~towytrailercentre~~.co.uk/~~products~~/~~volvo-electric-power-steering-pump-bracket-s40-v50-c30-c70-mount-drift~~-~~rally~~-~~wfm~~ here] and [https://www.ebay.co.uk/str/wfmttc here].		WillFab Motorsport (WFM) produces a universal fit bracket for this pump. Available [https://www.willfabmotorsport.co.uk/collections/eps-cradles-brackets here] and [https://www.ebay.co.uk/str/wfmttc here].

	== Fluid ==		== Fluid ==

Projectgus: Got the model wrong in my last edit...

2025-02-18T22:45:33Z

Got the model wrong in my last edit...

← Older revision		Revision as of 22:45, 18 February 2025
Line 61:		Line 61:

	The harness for the motor supply can be bought completely (Volvo Part Number: 30775461 <ref>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: )</ref>) or just the connector. There is connector kits available online (avoid the pig-tail version as the cable is way undersized. [https://www.ebay.de/itm/264183247309?_nkw=Electric+Power+Steering+%28EPS%29+Pump+Wire+Connector+Kit+Type+1+Fit+for+Volvo+Ford&itmmeta=01J64V8R3PQKQS2EKGFX7V5BVM&hash=item3d828c71cd:g:9YsAAOSwkvtb3Qd3&itmprp=enc%3AAQAJAAABMHoV3kP08IDx%2BKZ9MfhVJKnq1cduF5WgneJWcf2KOIwYLjdi97A8lf5OlJCgf3lStwgB7DXBbzWP5qft6Wq1wk68P2yrbn6NspdbHXbMs%2Fo1lKpey0MBk2Dqf%2BYimnPZ2JcaYs6l1vtYvLq%2FTbkcfppJYbhQ6U1IcaY0%2BTcZ1LLNcMEsG1cAazAwdRpglFiU3VmsIb3MOC9ZgJtYJ0XEm8XvmXBFsGZb9PJlyyXlp5YtkKGxAAM0H0gjTcEUfTXFlbl8jiyw3ziYa%2FjJuc2Db%2B15Kf%2BAQY%2FhWSFyBkaSZK1%2FUit%2FC2tF3wKqv2UPWRrfcw1BV%2BWd1HzbLSbvObyYLAklc%2FNhtRoWci2FP0azltlwmEtiiOaGp4YI1cFSiJtqqDMZeeZSWI8j0AvO6hbAROI%3D%7Ctkp%3ABk9SR4CCo5uxZA Link])		The harness for the motor supply can be bought completely (Volvo Part Number: 30775461 <ref>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: )</ref>) or just the connector. There is connector kits available online (avoid the pig-tail version as the cable is way undersized. [https://www.ebay.de/itm/264183247309?_nkw=Electric+Power+Steering+%28EPS%29+Pump+Wire+Connector+Kit+Type+1+Fit+for+Volvo+Ford&itmmeta=01J64V8R3PQKQS2EKGFX7V5BVM&hash=item3d828c71cd:g:9YsAAOSwkvtb3Qd3&itmprp=enc%3AAQAJAAABMHoV3kP08IDx%2BKZ9MfhVJKnq1cduF5WgneJWcf2KOIwYLjdi97A8lf5OlJCgf3lStwgB7DXBbzWP5qft6Wq1wk68P2yrbn6NspdbHXbMs%2Fo1lKpey0MBk2Dqf%2BYimnPZ2JcaYs6l1vtYvLq%2FTbkcfppJYbhQ6U1IcaY0%2BTcZ1LLNcMEsG1cAazAwdRpglFiU3VmsIb3MOC9ZgJtYJ0XEm8XvmXBFsGZb9PJlyyXlp5YtkKGxAAM0H0gjTcEUfTXFlbl8jiyw3ziYa%2FjJuc2Db%2B15Kf%2BAQY%2FhWSFyBkaSZK1%2FUit%2FC2tF3wKqv2UPWRrfcw1BV%2BWd1HzbLSbvObyYLAklc%2FNhtRoWci2FP0azltlwmEtiiOaGp4YI1cFSiJtqqDMZeeZSWI8j0AvO6hbAROI%3D%7Ctkp%3ABk9SR4CCo5uxZA Link])
	[[File:Volvo eps connections.png\|thumb\|Volvo ~~S60~~ Pump connectors]]		[[File:Volvo eps connections.png\|thumb\|2011 Volvo S40 T5 Pump connectors]]

	=== Connector A (Power)<ref name=":0">Volvo C30 2007 Schematic, TP39103202</ref> ===		=== Connector A (Power)<ref name=":0">Volvo C30 2007 Schematic, TP39103202</ref> ===

Projectgus: Noted which car in the photo caption

2025-02-18T22:32:58Z

Noted which car in the photo caption

← Older revision		Revision as of 22:32, 18 February 2025
Line 61:		Line 61:

	The harness for the motor supply can be bought completely (Volvo Part Number: 30775461 <ref>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: )</ref>) or just the connector. There is connector kits available online (avoid the pig-tail version as the cable is way undersized. [https://www.ebay.de/itm/264183247309?_nkw=Electric+Power+Steering+%28EPS%29+Pump+Wire+Connector+Kit+Type+1+Fit+for+Volvo+Ford&itmmeta=01J64V8R3PQKQS2EKGFX7V5BVM&hash=item3d828c71cd:g:9YsAAOSwkvtb3Qd3&itmprp=enc%3AAQAJAAABMHoV3kP08IDx%2BKZ9MfhVJKnq1cduF5WgneJWcf2KOIwYLjdi97A8lf5OlJCgf3lStwgB7DXBbzWP5qft6Wq1wk68P2yrbn6NspdbHXbMs%2Fo1lKpey0MBk2Dqf%2BYimnPZ2JcaYs6l1vtYvLq%2FTbkcfppJYbhQ6U1IcaY0%2BTcZ1LLNcMEsG1cAazAwdRpglFiU3VmsIb3MOC9ZgJtYJ0XEm8XvmXBFsGZb9PJlyyXlp5YtkKGxAAM0H0gjTcEUfTXFlbl8jiyw3ziYa%2FjJuc2Db%2B15Kf%2BAQY%2FhWSFyBkaSZK1%2FUit%2FC2tF3wKqv2UPWRrfcw1BV%2BWd1HzbLSbvObyYLAklc%2FNhtRoWci2FP0azltlwmEtiiOaGp4YI1cFSiJtqqDMZeeZSWI8j0AvO6hbAROI%3D%7Ctkp%3ABk9SR4CCo5uxZA Link])		The harness for the motor supply can be bought completely (Volvo Part Number: 30775461 <ref>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: )</ref>) or just the connector. There is connector kits available online (avoid the pig-tail version as the cable is way undersized. [https://www.ebay.de/itm/264183247309?_nkw=Electric+Power+Steering+%28EPS%29+Pump+Wire+Connector+Kit+Type+1+Fit+for+Volvo+Ford&itmmeta=01J64V8R3PQKQS2EKGFX7V5BVM&hash=item3d828c71cd:g:9YsAAOSwkvtb3Qd3&itmprp=enc%3AAQAJAAABMHoV3kP08IDx%2BKZ9MfhVJKnq1cduF5WgneJWcf2KOIwYLjdi97A8lf5OlJCgf3lStwgB7DXBbzWP5qft6Wq1wk68P2yrbn6NspdbHXbMs%2Fo1lKpey0MBk2Dqf%2BYimnPZ2JcaYs6l1vtYvLq%2FTbkcfppJYbhQ6U1IcaY0%2BTcZ1LLNcMEsG1cAazAwdRpglFiU3VmsIb3MOC9ZgJtYJ0XEm8XvmXBFsGZb9PJlyyXlp5YtkKGxAAM0H0gjTcEUfTXFlbl8jiyw3ziYa%2FjJuc2Db%2B15Kf%2BAQY%2FhWSFyBkaSZK1%2FUit%2FC2tF3wKqv2UPWRrfcw1BV%2BWd1HzbLSbvObyYLAklc%2FNhtRoWci2FP0azltlwmEtiiOaGp4YI1cFSiJtqqDMZeeZSWI8j0AvO6hbAROI%3D%7Ctkp%3ABk9SR4CCo5uxZA Link])
	[[File:Volvo eps connections.png\|thumb\|Pump connectors]]		[[File:Volvo eps connections.png\|thumb\|Volvo S60 Pump connectors]]

	=== Connector A (Power)<ref name=":0">Volvo C30 2007 Schematic, TP39103202</ref> ===		=== Connector A (Power)<ref name=":0">Volvo C30 2007 Schematic, TP39103202</ref> ===

Projectgus: /* Electrical Connection */ Added OEM electrical connector parts and a labelled photo of pump

2025-02-18T22:30:06Z

Electrical Connection: Added OEM electrical connector parts and a labelled photo of pump

@@ Line 60: / Line 60: @@
 Input signals, start and stop conditions described in S40 service manual<ref>https://www.volvo-forums.com/attachments/s40my2005_suspensionsteering-pdf.7233/</ref>
-The harness for the motor supply can be bought completely (Part Number: 30775461 <ref>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: )</ref>) or just the connector. There is connector kits available online (avoid the pig-tail version as the cable is way undersized. [https://www.ebay.de/itm/264183247309?_nkw=Electric+Power+Steering+%28EPS%29+Pump+Wire+Connector+Kit+Type+1+Fit+for+Volvo+Ford&itmmeta=01J64V8R3PQKQS2EKGFX7V5BVM&hash=item3d828c71cd:g:9YsAAOSwkvtb3Qd3&itmprp=enc%3AAQAJAAABMHoV3kP08IDx%2BKZ9MfhVJKnq1cduF5WgneJWcf2KOIwYLjdi97A8lf5OlJCgf3lStwgB7DXBbzWP5qft6Wq1wk68P2yrbn6NspdbHXbMs%2Fo1lKpey0MBk2Dqf%2BYimnPZ2JcaYs6l1vtYvLq%2FTbkcfppJYbhQ6U1IcaY0%2BTcZ1LLNcMEsG1cAazAwdRpglFiU3VmsIb3MOC9ZgJtYJ0XEm8XvmXBFsGZb9PJlyyXlp5YtkKGxAAM0H0gjTcEUfTXFlbl8jiyw3ziYa%2FjJuc2Db%2B15Kf%2BAQY%2FhWSFyBkaSZK1%2FUit%2FC2tF3wKqv2UPWRrfcw1BV%2BWd1HzbLSbvObyYLAklc%2FNhtRoWci2FP0azltlwmEtiiOaGp4YI1cFSiJtqqDMZeeZSWI8j0AvO6hbAROI%3D%7Ctkp%3ABk9SR4CCo5uxZA Link])
+The harness for the motor supply can be bought completely (Volvo Part Number: 30775461 <ref>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: )</ref>) or just the connector. There is connector kits available online (avoid the pig-tail version as the cable is way undersized. [https://www.ebay.de/itm/264183247309?_nkw=Electric+Power+Steering+%28EPS%29+Pump+Wire+Connector+Kit+Type+1+Fit+for+Volvo+Ford&itmmeta=01J64V8R3PQKQS2EKGFX7V5BVM&hash=item3d828c71cd:g:9YsAAOSwkvtb3Qd3&itmprp=enc%3AAQAJAAABMHoV3kP08IDx%2BKZ9MfhVJKnq1cduF5WgneJWcf2KOIwYLjdi97A8lf5OlJCgf3lStwgB7DXBbzWP5qft6Wq1wk68P2yrbn6NspdbHXbMs%2Fo1lKpey0MBk2Dqf%2BYimnPZ2JcaYs6l1vtYvLq%2FTbkcfppJYbhQ6U1IcaY0%2BTcZ1LLNcMEsG1cAazAwdRpglFiU3VmsIb3MOC9ZgJtYJ0XEm8XvmXBFsGZb9PJlyyXlp5YtkKGxAAM0H0gjTcEUfTXFlbl8jiyw3ziYa%2FjJuc2Db%2B15Kf%2BAQY%2FhWSFyBkaSZK1%2FUit%2FC2tF3wKqv2UPWRrfcw1BV%2BWd1HzbLSbvObyYLAklc%2FNhtRoWci2FP0azltlwmEtiiOaGp4YI1cFSiJtqqDMZeeZSWI8j0AvO6hbAROI%3D%7Ctkp%3ABk9SR4CCo5uxZA Link])
 {| class="wikitable"
-|+Connector A<ref name=":0">Volvo C30 2007 Schematic, TP39103202</ref>, Part Number: 31266849<ref>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</ref>(not verified)
+|+Pinout
 !Pin Number
 !Cable Color
@@ Line 79: / Line 82: @@
 |}
 {| class="wikitable"
-|+Connector B<ref name=":0" />, Part Number: '''31346135'''<ref>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</ref>(not verified)
+|+
 !Pin Number
 !Cable Color
@@ Line 88: / Line 127: @@
 |Grey-Blue
 |Ignition +12V for Control
-|Fused with 10A fuse (F53)
+|Fused with 10A fuse (F53).
 |-
 |2
+|
-|CAN-??
+|CAN-L
+|
 |-
 |3
+|
-|CAN-??
+|CAN-H
+|
 |}
 A visual guide of the pinout can be found on [https://www.maxxecu.com/webhelp/can_peripheral_control_volvo_powersteering.html this MaxxECU online help page]
 == CAN Bus Control ==
 The CAN bus protocol has been reverse engineered in the RusEFI forum<ref>https://www.rusefi.com/forum/viewtopic.php?f=4&t=2329</ref> and a LUA script example exists<ref>https://github.com/rusefi/rusefi/blob/master/firmware/controllers/lua/examples/Volvo-electric-power-steering-pump.txt</ref>

Tom91: Categories

2024-12-20T17:44:22Z

Jason arnold: Added spec'd fluid

2024-12-12T07:55:55Z

Added spec'd fluid

← Older revision		Revision as of 07:55, 12 December 2024
Line 121:		Line 121:
	=== Mounting Bracket ===		=== Mounting Bracket ===
	WillFab Motorsport (WFM) produces a universal fit bracket for this pump. Available [https://towytrailercentre.co.uk/products/volvo-electric-power-steering-pump-bracket-s40-v50-c30-c70-mount-drift-rally-wfm here] and [https://www.ebay.co.uk/str/wfmttc here].		WillFab Motorsport (WFM) produces a universal fit bracket for this pump. Available [https://towytrailercentre.co.uk/products/volvo-electric-power-steering-pump-bracket-s40-v50-c30-c70-mount-drift-rally-wfm here] and [https://www.ebay.co.uk/str/wfmttc here].

			== Fluid ==
			Pentosin CHF 202 is spec'd in the Volvo manual.

	== References ==		== References ==
	<references />		<references />

Jason arnold: /* Mechanical Properties */ added dimensions

2024-12-12T07:45:38Z

Mechanical Properties: added dimensions

← Older revision		Revision as of 07:45, 12 December 2024
Line 106:		Line 106:

	== CAN Bus Control ==		== CAN Bus Control ==
	The CAN bus protocol has been reverse engineered in the ~~rus EFI~~ forum<ref>https://www.rusefi.com/forum/viewtopic.php?f=4&t=2329</ref> and a LUA script example exists<ref>https://github.com/rusefi/rusefi/blob/master/firmware/controllers/lua/examples/Volvo-electric-power-steering-pump.txt</ref>		The CAN bus protocol has been reverse engineered in the RusEFI forum<ref>https://www.rusefi.com/forum/viewtopic.php?f=4&t=2329</ref> and a LUA script example exists<ref>https://github.com/rusefi/rusefi/blob/master/firmware/controllers/lua/examples/Volvo-electric-power-steering-pump.txt</ref>

	~~Additionally an implementation using arduino code<ref>https://github.com/NMSTEC/Volvo_EPS_FREE</ref>~~


			Alternatively, there is an implementation using Arduino code<ref>https://github.com/NMSTEC/Volvo_EPS_FREE</ref>
			== Mechanical Properties ==

	== ~~Mechanical Properties~~ ==		=== Dimensions ===
			Approx. 12" x 7" x 7" (305mm x 178mm x 178mm)

	=== Fittings ===		=== Fittings ===

Jason arnold: /* Part Numbers and Versions */ added source vehicles and made general formatting improvements; clarified fittings info

2024-12-12T07:32:19Z

Part Numbers and Versions: added source vehicles and made general formatting improvements; clarified fittings info

← Older revision		Revision as of 07:32, 12 December 2024
Line 8:		Line 8:
	!Vehicle Used in		!Vehicle Used in
	!Comment		!Comment
	!
	\|-		\|-
	\|30636927		\|30636927
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|31202520		\|31202520
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36000075		\|36000075
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36000116		\|36000116
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36000772		\|36000772
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36000801		\|36000801
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36001211		\|36001211
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36001485		\|36001485
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36002698		\|36002698
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|36050678		\|36050678
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|8603041		\|8603041
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|-		\|-
	\|8603274		\|8603274
	\|		\|2004-2013 C30 C70 V50 S40
	\|		\|unverified
	\|
	\|}		\|}

Line 90:		Line 77:
	\|Black		\|Black
	\|GND		\|GND
	\|
	\|-
	\|
	\|
	\|
	\|		\|
	\|}		\|}
Line 130:		Line 112:


	== Mechanical ~~Dimensions~~ ==		== Mechanical Properties ==
	~~- fittings and sizes~~

	~~- Pressure side (to power steering pump) M16x1,5 (you can use adapters like this one: https://www.ebay.de/itm/192079081475)~~

	~~- Low pressure side is just a hose~~		=== 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 [https://towytrailercentre.co.uk/products/volvo-electric-power-steering-pump-bracket-s40-v50-c30-c70-mount-drift-rally-wfm here] and [https://www.ebay.co.uk/str/wfmttc here].

	== References ==		== References ==
	<references />		<references />

← Older revision		Revision as of 17:44, 20 December 2024
Line 1:		Line 1:
	== Part Numbers and Versions ==		== Part Numbers and Versions ==
	~~[[Category:OEM]]~~
	[[Category:Volvo]]		[[Category:Volvo]]
	[[Category:Power Steering]]		[[Category:Power Steering]]