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Hey all selling my '91 splorer and dont have a replacement picked out yet. I want to pull my front locker and put stock side and spider gears back in. Well guess what, I chucked mine from the locker install many moons ago so I'm in need of a set. I have a spare cross shaft just need the gears...

I have a '91 splorer, pulling locker need a set of front D35 side gears and spider gears.

I have a 91 splorer. Had a botched R12-R134a retro that puked the compressor. Replaced compressor, drier, orifice tube, flushed system, added 8oz mineral oil, pulled 5 micron vacuum for 1 hr, weighed in 32oz of R12. Our ambiant's have been 106*-119* since the above was done, I cannot get the...

I just overhauled my R12 system in my 1991 splorer. I changed compressor, orifice tube, accumulator, Vacuumed the system down to 30" for 2 hrs. I charged the system with 32oz of R12 like the Clymer manual lists. I weighed the R-12 in with a digital charging scale. When I was done I took it...

Where is the fuel pump relay located on a 91 splorer??? My fuel pump will not shut off, even with key off. I have to pull the pump relay fuse or battery cable to get the pump to shut off. I'm thinking a stuck relay.

I have a 1991 XL with Warn manual hubs. About 2 years ago I put a powertrax no slip in my front D35. I did the C-Clip elimination posted either here or the Ranger Station. Ever since I get a low grumbling type noise with the 4X4 engaged. It is much quieter in 2 high with the hubs still locked...

My 91 XL has had a ongoing rough idle problem since the day I got it 4 years ago. I put a reman long block in it last summer, still idles like S$#T. With the MAF plugged in it idles around 500 and rough like a vacuum leak. I un-plug the MAF it idles high around 900, but much smoother. The MAF is...

My low oil sensor ( the huge one on the side of the oil pan) is constantly leaking. I basically have a new engine and it is the only leak I have. Is there a way to plug that big hole in the pan, or can the sensor be taken out and the hole plugged????? I don't need the sensor I check the oil...

Does anyone know where to get the old Berryman's B9 formula carb cleaner???? The stuff I'm looking for came in a White gallon can with a Blue and Red label. The liquid was milky white and would strip the skin off you hands. It had a nasty smell and would make your hands tingle instantly if you...

Check out my sig for the mods on my rig. The first problem I'm having is a nasty vibration at any where from 55-75 mph. Every time I have the tires rebalanced it just changes the speed where I get the shake. The ENTIRE truck shakes like a tire about to blow apart. The vibration has...

I'm doing valve cover gaskets on my friends 91 OHV. Are the Fel-Pro Perma Dri gaskets as good as the factory gaskets?? I've heard a few times this motor hates the aftermarket valve cover gasket's and will leak in short order.

Is there any way to check if the transfer case is bad? I have a 91' 4X4 A4LD, I put it in gear and nothing but a "Humming" when I rev the motor. Trans is full no bad smell to fluid and it's clear red.

I'm thinking of swapping my 91 manual trans to an automatic. I've been told the manual trans engine has a slightly different cam profile. This gives it a little more "PEP" with a manual trans by increasing ( it actually just slightly lowers the peak torque RPM) the low end torque. This seems to...

I have I 91 XLT with a manual trans, I was t-boned and body is wasted. I found another 91 in great shape but with with a bad auto trans for $300. The truck that was wrecked has a nearly new Motorcraft Engine. I want to swap the entire Manual drive train from the wrecked 91 into the other...

Last June I put a Motorcraft Longblock in my 91. Ever since, my coolant temp gauge jumps rapidly between the "O' in "NORMAL" and cold. The thermostat is the 198F that came with the longblock. Over the last few days the temp fluctuation has been MUCH higher, now it shoots up to the "M" and...

My 1991 X's fuel line is leaking BIG TIME at the pressure regulator. My regulator has a fitting exactly like the fuel filter line. I have tried for a few days to find a replacement with no luck. My regulator looks like...

I'm trying to improve the terrible gas mileage I'm getting. I did a Motorcraft long block last month. I had some driveability problems that are now repaired. When I did the motor I put the BIG 2 row heavy duty radiator in my rig. The radiator is for an automatic trans, I have a manual trans...

More problems with my 91 hunk o ****. Still have the rough idle issue, ****TY gas mileage 10mpg, but now when the truck is hot it REAKS of fuel when I park it. If I park and run into a store for 5 minutes I can smell gas BIG TIME and the truck BAIRLY runs till the temp gauge goes back down...

Are the Manual Trans, and Automatic Trans Fan shrouds the same? I have a Manual trans, but I put the bigger 2 Row Automatic Radiator in it (better cooling in the Hell hole I live in). Now the fan no longer fits, it rubs on the shroud.

Alright, how smooth is a stock 91 4.0 W/Manual Trans supposed to Idle? I just put in a Motorcraft Reman engine, and it idles ****ty, just like the blown head gasket POS I took out. No CEL, No Codes, just a ****ty idle. When I swapped parts over, they were METICUISLY CLEANED. Every part of the...

Does my 1991 4.0L engine use a Camshaft Position Sensor???? The build date is 07/90 on my driver door. It is not real clear in the Haynes Manual, where the sensor should be on my rig it looks like just a oil pump drive

How do I remove the fuel line at the pressure regulator? It has a black plastic fitting on it that I simply cant figure out. I'm working on my '91 OHV.

What is the stock fuel injector flow rate for a 1991 OHV? I'm tearin my engine out next week, to put in a reman. When I do the engine I want new injectors and pressure regulator.

Are the Comp Cam 410 and 422 the only ones available for the 4.0? I would like something a little larger than stock. I'm not putting on headers, cat back , Computer stuff, bigger injectors, custom push rods, all the **** you need "EXTRA" to run even the "Milder" 410 .

My 91 198K mile motor has a blown head gasket. I've thought hard the last couple days and decided to go with a re-manufactured engine. Anyone out there have a recommendation? I found a BUNCH of places most offer 3-5 year 100K warranty. Average price is about $2,000. I figured getting...