View Full Version : Mojave heater install in 87 YJ - Write-Up

November 20th, 2006, 04:37 PM
Ok, so I didn't know where to put this so I am starting here. I am going to update it as time goes on and it gets completed. We just did the "pull everything out" part. Below you will find some pics.

I opted for the Mojave Heater instead of the Chevy fan thing because there was more wrong with my heater than just the blower speed. The blend flap wouldn't move, the controls were totally shot, the fresh air flap motor wouldn't hold vacuum, and I could only get the darn thing to blow "sometimes". So with pricing all the parts that were wrong, it ends up being cheaper to go with the Mojave heater.


I also went ahead and got the plenum for it...although I think I will be modifying it to suit my wants. The plenum give you a way to hook up the defrost vent....something I have to have living in the U.P.


OK, so there isn't much here yet...like I said, all we did was pull everything out.

All the parts...

Left over and hanging wires...many will be removed because they were for the old heater. You can see the Howell computer...it was mounted to the heater box but will move the top of the glovebox via velcro.


Ok, so the fresh air thiingy...the vent on the cowl...it is held to the cowl by 8 phillips screws. Seems easy enough, but I didn't know how it was bolted on there and couldn't find any screws holding it. The Durabak on the body was hiding them...soooooo.....pry pry pry till it broke free. Then smashed the rest out. Even once we found out that it was screws...we couldn't get the durabak out of them to take them out.

Here is the gaping hole that is left when you take that piece out. We'll fab either a plate that will cover that and keep water out, or we will make that where the snorkle comes out. Dunno yet. You can see right down to the floor on the inside, so something has to be done about it.


More to come when I get the parts in the mail.

November 20th, 2006, 05:18 PM

November 21st, 2006, 10:05 AM
Ironman did the same thing last year in a rebuild he did. I think he posted pics here somewhere.


November 22nd, 2006, 12:55 AM
Yea, looked at them...kinda limited pics though. I'm going a little different route with it as I will keep the defroster, and will have vents that actually blow on you...not just the floor.