OT chevy push button 4 wheel drive

Anonymous-0

Well-known Member
Considering purchasing a 2003 Chevy 1/2 ton 4 wheel drive truck. It has a 5.3l v8, automatic transmission, just under 100 thousand miles. It will be used for light duty driving, no trailer pulling. It has a power button activated 4 wheel drive. Is the push button 4 wheel drive activation reliable, do they cause problems, if so what are they?
Thanks
 
Yes, they are problematic! They render the 4x4 useless when they don't work. My Trailblazer quit and it is not worth fixing!
 
Neighbors Chev has 188,000 on original drivetrain components. No problems with the button 4 WD. She's a stickler on maintenance and replacement with OEM parts. Maybe routine maintenance helps. Hers isn't babied - pulls fifth wheel and chases cattle. Rusty but reliable.
 
I've had a 95 S-10,98-1500, 99-1500 and had to replace a switch on one of the three otherwise no trouble. Switch wasn't bad to remove or install.
S-10 has 274,000 miles, 98 -165,000, and 99 has 204,000 on it.
 
does it have the auto 4-wheel drive button on the top? Then 4 hi 2wd..4-lo..if so it takes auto-trak II fluid only..buy at dealer..11.00 per qt..takes 2 qt.Front axle says reg 80w90..I use mobile 1 synthetic 75w90..about 2 qt..rear axle..(you have to take cover off rear axle to drain and clean magnet)same 75w90 about 3.5 qt.Check trans fluid..if it looks dark and smells burt a little..change fluid and filter in that too.You should be good to go..but check out under truck for fluid leaks tyrod ends etc
 
my son has one in his 2000 chevy, didn't work when we got it. switch was bad and cost around $65.00 to replace and not bad to work on. my 04 3500 chevy has one and have had not probelms with it. my other sons 98 1500 have not had any problems and my wife's 05 trailblazer have had no problems.
 
There's a history of failure of that system in the Trailblazers. I don't know if the K10 uses the same system but I suspect it is. The transfer case can be overshifted into 4WD low and won't disengage.
 
We've had 2 of them now. Traded the last one with 313,000 miles. Used as a farm truck. Total mechanical failure repairs were 1 starter, 1 alternator, one wheel bearing on the front end, 1 fuel pump, pitman arm and the tranny at 258,000. Never had any problem with the push button 4X4 shift system.

Rick
 
1850D We don't see a lot of problems with them. If there is a problem it usually can be traced to the driver.
 
About the biggest issue with ANY modern 4X4 transfer case is to keep 'em full of oil.

They don't hold much, and, if not checked once in a while (at engine oil change) any little leak at the front or rear output shaft seals will run them low on oil and things get UGLY then.

Also, there were issues with the oil pump rattling against the case and wearing a hole in it, which runs 'em out of oil as well.

The fix was to install a steel "case saver" that takes the rubbing wear instead of the magnesium transfer case.

Try to find out if that has been done to the one you are looking at.
 
Times two on what Bob said.

No real problems, they work well.

But,google GM New Process pump rub repair.

Eventually the ring in the t/case will wear a hole through the back half of the t/case if your truck has had the repair.

I have seen them anywhere from $75 on up. If you do nothing you may have to buy a new back half of the t/case housing, which is around $3-400.

Rick
 
There wasn't many problems with them that wasn't related to the use and maintenance. Don't be afraid to change the oil in the frt axle and transfer case more than what is recommended and if you do a lot of driving through the corn fields you're going to rip some wires off the frt axle now and then.
 

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