[TaZMaNiaK]

This is on my '89.. Ok, first off, when making a tight turn, usually when going into a parking spot so I'm moving real slow, I sometimes hear (not feel in the wheel) a clunk from the steering. Almost like something's binding slightly and popping loose. It's happened since I got the truck, and I've greased everything that has a zerk, but it still happens. Any idea where I should start looking? Also, when I first start her up in the morning, or coming out of work, the steering is very hard to the right, then it pops loose and works fine until it sits for hours again. If turn it to the left first, it's fine. It's almost like there's an air bubble in the system, but I've turned it lock to lock hundreds of times and it won't go away. No leaks, so what gives?
One last thing for now, over the last couple weeks, I've noticed she is starting to idle roughly (the motor shakes) and my mileage is really starting to suck (250-300 miles to the tank - down from 350-400 - I was getting roughly the same miles on the 85 with the badly tuned carb). The only code that's set since I replaced the alternator is 15 (bad speed sensor - I don't really know if that is related to my mileage problem, but it's not related to the rough idle) The plugs are normal (just replaced everything when I got the truck), and I haven't done anything or changed my driving habits, so what could be going on? I ran a bottle of Techron through it last time I was near empty, but it didn't make a big difference.

Thanks,
Matt {peace}

 

[BrianT]

u joint in the axle sounds like . menas u get to pull all that shit off to replace it .

 

[White]

I had the smae running rough problem with my '88 Dak. I replaced the AIS (air idle selinoid) and it ran a whole lot better. It works some what like a choke, it contols the amount of air that enters the throttle body at idle. I will worn you that it's not cheap. I am not sure, but I don't think that the speed sensor would have anything to do with your milage problem, it's mainly used for cruise control.