HELP TRUCK LOCKS UP WHILE DRIVING

[GAP3RKi113R]

HI guys my truck is locking up and i do not know why.


What do u mean buy locking up? I will be driving down the road and it feels like when you bump start a car. it locks up for a second. the weird thing is it happens when im going 75 to 25 mph


so far i have rebuilt my rear axle


i have got rid of my center baring "extended my drive line"


got new hubs and new front bearings


anybody has any ideas what to do i need help big time. this truck is my daily driver and im getting worried

[Rocksurfer]

Need more info, does the engine lock up or shut off, does it stay running but just comes to a skidding stop or .......

[brainlessfool]

does it "pop"? backfire? only when slowing down? how about 62-31? how about when you floor it?
if you push in the clutch will it stop?
does it have a clutch? gas or diesel? or porpane?
post up a pic of the g/f. that may help too.
year? 4 or 6?
bakes ajusted right?
been smoking anything  ya should'ant?
any wireing truable?

[TheChewMaster]

does it "pop"? backfire? only when slowing down? how about 62-31? how about when you floor it?
if you push in the clutch will it stop?
does it have a clutch? gas or diesel? or porpane?
post up a pic of the g/f. that may help too.
year? 4 or 6?
bakes ajusted right?
been smoking anything  ya should'ant?
any wireing truable?

What type of truck do you have, engine too?

[jimbo74]

fuel filter?

[junya92toy]

No fuel would cause the engine to die, not lock up.

[Vang530]

22r or 22re?

[UndefinedTaco]

3.slow? theres your problem

[TheChewMaster]

Ya I saw in one of his previous posts, 91 v6 extra cab

[junya92toy]

Nothing wrong with a 3.0

[79coyotefrg]

HI guys my truck is locking up and i do not know why.


What do u mean buy locking up? I will be driving down the road and it feels like when you bump start a car. it locks up for a second. the weird thing is it happens when im going 75 to 25 mph


so far i have rebuilt my rear axle


i have got rid of my center baring "extended my drive line"


got new hubs and new front bearings


anybody has any ideas what to do i need help big time. this truck is my daily driver and im getting worried

kinda sounds like the pinion bearing is GONE and when you let off the gas the pinion coasts right into the carrier and grabs it. 
chock the front wheels, drop the drive shaft, check to see if the flange is loose.  if it is remove and then remove the seal and take a look at the bearing. my guess is you'll remove it in small pieces.

[Cheesemaker]

I remember when 4TheWkn and I came off of Shaver Lake with only front wheel drive.  And loosing the front pinion doing 65mph along Jensen Ave.  We came to a stop, real quick. 

I'd be tearing into axles to see what needs replaced. 

[bleakhorizon]

think yeall scared him away.... lol

my 3.0 has always had a strange thing...

going along maintaining speed then boom like it misfired tach jumps unloads the drivetrain sounds like yea just hit a rock, feels like it too... only does it every once an a while... i would say once  every 3-4 months... always a WTF was that moment...

[GAP3RKi113R]

Sorry guys i was pc deprived the last couple of days. I have a the 3.Slow shes got 310k on her!! it is a stick


there is no poping when i shift it dose back fire at 1500 Rpm when my test pipe is on it. costing to a stop


When i use the skinny peddle the truck gets up quick, most of my friends agree that i have one of the quickest 3.0 v6s in my area ive tried to find some sort of pattern that triggers it but i got nothing... it happens random idk if it shuts off either, do to how fast it happens


Janya92toy!! FUEL  ill look into that because some times around 25 to 35 mph i can smell a hint of gas sometimes


LOL undefinedTaco!!! your right i couldn't agree more, im savaing up for 5vz i hope to supercharge... but MONEY MONEY MONEY is my problem these days )=

O almost for got my truck has never locked to a complete stop its just a big jolts i drop maybe 5 mph max 

THANK YOU GUYS FOR YOUR INPUT!!! 

[bleakhorizon]

its all that chrome and red paint.....

but seriously, might be spark related, if that intake tube is metal your coil wire could be arching on it....  this is one of those annoying problems that can be either really easy once you find it, or a nightmare...

I seem to have pretty much the same problem just not as pronounced, mine doesnt happen as much since i did the timing belt....



BTW sick looking truck... needs a the Total Chaos suspension treatment

[GAP3RKi113R]

LOL I got bored after school 


but i put new spark plugs and wires in it.

[UndefinedTaco]

engage offroad lt ftw

[hansi530]

the motor doesn't shut off or cut out at all and it was also doing the same thing with the stock intake tube

[hansi530]

kinda sounds like the pinion bearing is GONE and when you let off the gas the pinion coasts right into the carrier and grabs it. 
chock the front wheels, drop the drive shaft, check to see if the flange is loose.  if it is remove and then remove the seal and take a look at the bearing. my guess is you'll remove it in small pieces.

i helped him with the rebuild and the diff seemed to be fine when it was out everything was smooth and wasnt binding or rough

[GAP3RKi113R]

yo hans how would you discribe what it feels like when it locks up?


LOL bro do you still have my axle shafts and drums? the one you gave me made my truck have shakes around 65 to 90? )=

[OOPS]

When I first got mine in 98 I would be going down the road and it would just shut down, coast a bit the fire back up. My neighbor who was a lead tech at Roseville Toyota brought home test equipment and could not find anything wrong. He tested everything.

I changed the spark plug and coil wires and it has never done it again. I used OEM wires from the dealer. When he tested the wires they all tested good.

[Snowtoy]

Is it locking up as in seizing, or do you mean shutting down and not responding to throttle input?

If the engine is just shutting down to idle, it could be a speed sensor.  Back in '96 my '90 started shutting down to idle while cruising along at highway speeds, down shifting nor flooring it had any effect, then after a few seconds the engine would just come back to life and perform w/o issue.  It took about 16 months and 3 trips to the dealer before ecu ever registered a code.  It was diagnosed as bad speedometer speed sensor, the sensor was telling the ecu that vehicle wasn't moving, causing the ecu to shut everything down.

[GAP3RKi113R]

Hay Guys i was driving the other day with my friend and i happen to have my window down. my truck lock up on the freeway i was going about 75, we happen to hear a pop noise he thinks it was a back fire. so if that was the case what would i be replacing now?   could it be the Ignition Coil?

[junya92toy]

Your brain?
Really though, you need to give more detail, define locks up, does the engine lock up and tires skid, does it just die?
Locking up means the engine stops, and the tires skid,
Does the engine just die, as in not producing power anymore and the rpms drop?

[GAP3RKi113R]

The Tires do not skid, and the truck dose not die. The the RPMs drop to 0 then back to were it was within a second, maybe less then a second they seem to vary. the truck dose not lose any power. minus how bad the lock misfire what ever i should call it idk it feels like a jerking sensation. when it happens my front end drops a little from my suspension compressing. there is a slight clunk noise sometime in low speeds like after i grab 2nd gear and i am about 3k rpms this is rare though. at night my lights do not dim fad or flash.

At low speeds i do sometimes after i get of the freeway and im going around 25 to 35 mph i smell a hint of gas

sometime i go to start my truck and it takes about haf a turn to start my truck, but sometime it takes like 4 or 5 turns idk if this matters just saying lol 

[79coyotefrg]

somebody go ride in this guys truck so we know whats going on.

[junya92toy]

Id be too scared to go ride with him!

[hansi530]

somebody go ride in this guys truck so we know whats going on.

i have riden in it many times how he explains it is how it is i thing its something to do with his tranny or tcase because i helped him rebuild his rear axle and the diff seems to be fine no binding or anyting

[junya92toy]

You guys still dont make sense. He said it doesnt lose power or die,but the rpms go to zero?
So is it just a bad gauge or cluster?

[79coyotefrg]

i have riden in it many times how he explains it is how it is i thing its something to do with his tranny or tcase because i helped him rebuild his rear axle and the diff seems to be fine no binding or anyting

yea but you havent helped describe  the problem at all.   he said the engine doesnt die nor do the rear wheels lock up so it is NOT "locking up"