Question about a Active Suspension Q45

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Infinitiguy19
Posts: 7787
Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

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I have a friend with a Active Suspension Q45. He had it sitting for a year with a dead battery. I went to help him out to see why it wouldn't rise to normal height. I found the fluid in the reservoir to be on the bottom of the dipstick. I did not check the fuses... I let the engine run for a couple of minutes but no change in height. The ambient temp. was ~50*F.

Any idea's if this is going to be a costly repair? He says he was driving it before he parked it and it was fine, No Act Sus light on!


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BCC93QT
Posts: 1385
Joined: Tue Feb 12, 2008 3:20 am
Car: 1990 Infiniti Q45
1995 Infiniti Q45
Location: Western MA

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An active Q... Sitting for a year with JUST a dead battery... Paul! How many times did you punch, smack, or beat him? Send some pictures my way and I will tell you how much it will cost him to sell it to me

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Infinitiguy19
Posts: 7787
Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

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Well turns out its a code 41. Meaning the Active Pump or pressure switch system is faulty.

The Act Sus system was 1.5 quarts low. And the engine oil was about 4 quarts low. :crazy:

When I added a Liter of Act Sus fluid and a half a quart of Dexron 6 fluid it still did not raise up to normal height.

Pictures will follow!


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