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Why doesn't my 4 wheel drive engage even when I hear the vacuum move?
Wiki User
∙ 15y ago
on my 85 s10 there was a small hole in the vacum line.
Wiki User
∙ 15y ago
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Why does my 91 jeep 4 wheel drive will engage then disengage what is the problem?
I have replaced the vacuum diaphragm for the 4 wheel drive. Now the 4 wheel drive works intermittenly. Why? I have replaced the vacuum diaphragm for the 4 wheel drive. Now the 4 wheel drive works intermittenly. Why?
1992 dodge Dakota front axle does not engage when in four wheel drive?
Odds are the diaphragm is shot, in the central axle disconnect (CAD). You need to check if you have vacuum at the front axle, and if the vacuum switches from side to side, when you engage four wheel drive. If it does, your CAD is bad. If not, trace your vacuum lines to find the leak.
Why does your 2001 dodge ram 1500 4 wheel drive not engage?
I would start by checking vacuum lines
Why would the four wheel drive not engage on your dodge ram 1500?
probably a vacuum system leak. Older dodge trucks had the front transaxle engage by a vacuum line. Make sure your pump is working, and that there are no leaks. Then it should engage
Why wont the front wheels engage in four wheel drive on my 1997 dodge ram 1500?
Check for vacuum leaks,
My 4 wheel drive will not engage on your 1985 jeep wagoneer what could cause this?
Try checking the vacuum lines on the axle.
98 expedition 4x4 light wont come on or engage?
the four wheel drive is opperated by vacuum that's probably where your problem is
Why won't the 4-wheel drive engage on a 2001 Ford F-250SD?
Check the vacuum lines that run down to the front wheel hub bearings if they are good follow the vacuum lines up to the 4x4 vacuum solenoidon the firewall and check for a stuck vacuum valve
How do you engage four wheel drive on 1995 Chevy S-10?
How do you engage four wheel drive on 1995 Chevy S-10?How do you engage four wheel drive on 1995 Chevy S-10?
4 wheel drive is grinding when you engage it?
when i try to engage the wheel wheel drive it grinds i have my truck in neutral what could be the problem what am i doing wrong
On your 02 s10 blazer when you push the 4 wheel drive button it lights up 4 wheel drive button but 4 wheel doesnt work?
i have a s-10 did the same thing it was the vacuum modulater located under the battery box
You have an 89 jeep yj that all the emissions equipment has been removed out of it and wonder how to get the 4 wheel drive to engage again and have herd that it somehow works off of vacuum?
Yes, the front diff is vacuum activated, but you can look online for a cable retrofit kit to engage the front diff without vacuum pressure.
