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| GV SQ625 no 4wd http://auszookers.com/forum/viewtopic.php?f=5&t=47328 |
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| Author: | Scrawny [ Sat Aug 09, 2014 12:39 pm ] |
| Post subject: | GV SQ625 no 4wd |
Got a problem I'm trying to hunt down for a bloke. Pump to activate front diff isn't working. New pump been fitted by previous mechanic. No 4wd light coming on when lever shifted to 4wd, switch working ok. Where is the controller that turns the pump on? |
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| Author: | watermouse [ Sat Aug 09, 2014 9:02 pm ] |
| Post subject: | Re: GV SQ625 no 4wd |
Looks like it is under the dash up from the drivers footwell. ![]() ![]()
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| Author: | Scrawny [ Sun Aug 10, 2014 8:48 am ] |
| Post subject: | Re: GV SQ625 no 4wd |
Thanks Watermouse! That's exactly what I needed. I'm surprised there's no relay to run the pump though |
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| Author: | fordem [ Sun Aug 10, 2014 10:18 am ] |
| Post subject: | Re: GV SQ625 no 4wd |
On some vehicles the 4WD control is done by the ECU - this is more likely to be the case if you have an automatic transmission. |
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| Author: | watermouse [ Sun Aug 10, 2014 10:23 am ] |
| Post subject: | Re: GV SQ625 no 4wd |
When you engage 4wd the pump runs for about one second and is pretty quiet. If there is a relay it will be housed within the control unit. |
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| Author: | Scrawny [ Sun Aug 10, 2014 1:59 pm ] |
| Post subject: | Re: GV SQ625 no 4wd |
Managed to get the pump working with all my fiddling but the front diff won't engage. Assuming something is broken or seized internally. Still can't get the 4wd light on the dash to work though. If I unplug the pump then the light comes on and stays on. |
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| Author: | atari4x4 [ Sun Aug 10, 2014 4:17 pm ] |
| Post subject: | Re: GV SQ625 no 4wd |
this any halp to you? viewtopic.php?f=17&t=19613&hilit=pump+diff |
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