Auto 4 wd on 2003 trailblazier is not cutting off.
Auto 4 wd comes on just fine is not cutting off when it needs to. Can a size in tires make a difference? I replaced the two front tires but they don' t match the back ones. close in size but maybe a inch difference and not the same brand of tires. I only started having this problem shortly after I replace my tires.
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Re: Auto 4 wd on 2003 trailblazier is not cutting off.
Hi there... The different size is tires could be causing you problem. The other thing is that if you are using your 4x4 with the two different sized tires, you are causing more damage than you think. The reason is that with two different sized tires, your axles are rotating at different speeds. This is ok in 2wd becuse there is no power transfer to the fronts but once you engage the 4wd, now you have power to the fronts and rears and could damage the differentials.
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There are any number of commercial protection products available over the counter.. of any auto part store, or online.
In my own humble opinion... Your best protection is regular washing with clean water, and some WD40 on all unpainted surfaces. Any coating you put on will eventually trap moisture and contaminants under it, causing corrosion faster.
Easy way to prevent undercarriage rust is to power wash the entire undercarrage, then spray the entire undercarriage with WD-40 before the onset of winter.
WD-40 displaces water, helping to keep rust under control. Suprisingly, it doesn't come off as easily as you'd think in wet winter driving. Use use two medium size cans of WD-40 to do all undercarriage, making sure to spray every nook and cranny (but avoiding the brake rotors/pads) until it is saturated.
Believe it or not, one good coating will last all winter--at least enough to prevent rust. Each spring, use a high pressure sprayer to clean the undercarriage and reapply a new coat of WD-40 for the spring/summer/fall months.
Auto 4 wd is when the Silverado's PCM takes readings from the front and rear driver shaft and when there is any detection that the speeds are different. The Auto 4WD will activate the transfer case to lock it self to 4wd until the front and rear drive shaft are running at the same given speed of rotation.
Well we don't know what size engine your vehicle has or weather it is a auto transmission or manual but here are the capacities. Auto transmission 4 speed- 4wd 7.5 quarts 4 speed 2wd 7.8 quarts Manual transmission 2 wd 4.0 quarts Manual transmission 4 wd 3.2 quarts
this information is for 2.0L 4 cylinder engine code (C) DOHC if you need information for 1.6L then send me a message back and I will give you the info.
Sounds like you have a bad bearing hub (likely in front but you need to determine which side) You really can't tell by shaking it, unless its falling apart. Remove front brakes and rotors and turn the bearing by hand, any slight roughness is a problem (you can't exert as much force as the vehicle weight of the vehicle)