gameshooter93 Posted August 21, 2013 Report Share Posted August 21, 2013 Hi all, I went to use the 4wd on my 52 reg grand vitara last night, and the 4wd light kept flashing on the dashboard. The 4wd still worked but the vacuum/air pump kept cutting in and out all the time. Is that normal?? Does anybody know what the problem might be?? I was told that when the light flashes, it means a fault has been detected? Any advice would be much appreciated, thanks! Quote Link to comment Share on other sites More sharing options...
foxnet22 Posted August 21, 2013 Report Share Posted August 21, 2013 Could be leak in vacuum pipes mate.ie hoses check them first. Quote Link to comment Share on other sites More sharing options...
gameshooter93 Posted August 22, 2013 Author Report Share Posted August 22, 2013 Thanks foxnet22, I will have a look at the hoses to see if they are split Quote Link to comment Share on other sites More sharing options...
al4x Posted August 22, 2013 Report Share Posted August 22, 2013 does the 4wd actually work the whole time? if so it may be a sensor issue but otherwise a split in the pipe but then it usually just wouldn't engage Quote Link to comment Share on other sites More sharing options...
pat g Posted August 22, 2013 Report Share Posted August 22, 2013 (edited) Hi mate. I had the same problem on my 54 plate Grand Vitara. I have since sold the car but doing a bit of research i would defo check the vacuum pipes first before delving deeper. If not it could be the vacuum pump which i am lead to believe is not cheap to replace but it may not be. Have the pipes checked first and hopefully thats all it will be ATB, Pat Edited August 22, 2013 by pat g Quote Link to comment Share on other sites More sharing options...
gameshooter93 Posted August 23, 2013 Author Report Share Posted August 23, 2013 Thanks for the advice guys, I had a look at the pipes today. I disconnected them from the pump and pluggged the the holes but it still flashed, so I then disconnected them from the differential and plugged the holes there and it still flashed! I put the pipes back on the opposite way and the pump ran for about 10 seconds and cut out, but I didn't have a light on the dash. The pump is working, so what else could it be? Thanks Quote Link to comment Share on other sites More sharing options...
al4x Posted August 23, 2013 Report Share Posted August 23, 2013 Is 4x4 working? Quote Link to comment Share on other sites More sharing options...
gameshooter93 Posted August 23, 2013 Author Report Share Posted August 23, 2013 Yes the 4wd is working. Is the vacuum pump meant to stay on for a while, or is it supposed to cut in and out constantly?? Quote Link to comment Share on other sites More sharing options...
al4x Posted August 23, 2013 Report Share Posted August 23, 2013 In that case it's quite possible it's simply the sensor that tells you it's in 4wd. Quote Link to comment Share on other sites More sharing options...
gameshooter93 Posted August 23, 2013 Author Report Share Posted August 23, 2013 Thanks for your help al4x, where abouts is the sensor? Quote Link to comment Share on other sites More sharing options...
al4x Posted August 24, 2013 Report Share Posted August 24, 2013 I can't comment on the vit but on the l200 I have I believe it's on the front axle. When they are full of mud or knackered they give the same symptoms. A flashing light to tell you that you have engaged 4x4 and its not working, If it actually is then you have options first is to repair or replace and the second involves a square of black electrical insulation tape over the light! Quote Link to comment Share on other sites More sharing options...
Brown Owl Posted August 24, 2013 Report Share Posted August 24, 2013 Also have Vitara and had a dig around on the net to prepare myself for when it all went wrong!! found this thread on Suzuki forums http://www.suzuki-forums.com/1g-1999-2005-vitara-grand-vitara/43439-4wd-freewheel-air-pump-teardown.html#post264222 you may have to copy and paste. Typical American Forum (I feel your pain :() , but a lot off info on there if you dig. Quote Link to comment Share on other sites More sharing options...
Brown Owl Posted August 24, 2013 Report Share Posted August 24, 2013 Just found another thread that may be helpful!!! http://www.suzuki-forums.com/1g-1999-2005-vitara-grand-vitara/24778-4-wheel-drive-system-problems-include.html Quote Link to comment Share on other sites More sharing options...
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