This is how to replace the front washer nozzles. First, mark the location of each wiper blade on the windshield with masking tape. Next, you need to remove the windshield wiper arms from their shafts. Raise the plastic cover at the base of each wiper arm. Remove the nuts from the shafts. The arms are press fit onto the tapered shafts. You will need to rock the arms or use something to pry up on the arms to get them to release from the shafts. I usually place a block of wood down, to prevent damage to the paint, then use a "cats paw" style pry bar to remove the arms. Once the arms are removed, you need to remove the black plastic air inlet grill. The nozzles are mounted to this black plastic grill. Remove the rubber hoses from the nozzles. Using a pair of pliers, squeeze the two locking tabs which hold each nozzle in place. Push up and remove the nozzles.
During reassembly, you must be careful to properly orient the wiper arms back onto their shafts. Orient the arms so that the blades are located at the masking tape locations you made at the start.
The nozzles just snap in from the top.... you first pop the cover at the pivot point of the wiper arm to access the nut. remove said nut. remove the wiper arms (a puller is very useful to avoid damage) , then Remove the air inlet grille panel (held in with pushpins and small 1/4in or 9/32in bolts. disconnect the hoses and squeeze the two tabs that hold them in. because they snap in from the top, i have seen people crush and brake their old nozzles with needle nose pliers. pull the hose through the hole and attach it to the new nozzle...... NOT the recommended procedure, rent or buy a puller that looks like a small two jaw gear puller to save yourself a big headache (mine was only $45). good luck
SOURCE: Back in summer wiper washer stopped coming out of
pull minihose off near one nozzle and cycle the washer motor(if it's limpy pressure, blow compressed air down the hose. If possible blow compressed air (via its tube) into the nozzle from the top. Do the same for the other nzzle. You can determine from these steps if your problem is with the pump or not.
SOURCE: 2006 chevy trailblazer replace 4wheel drive selector
i've got a 2003, and i believe the parts and procedures are the same for the years. there are screws in the dash trim by the ciggarette lighter, and more on the underneath of the dash pad where the gauge cluster is. then carefully pop the dash trim out. there are retaining clips that hold it in besides the screws. they should pop out without too much effort. i'd start near the radio and be careful. there also may be two more screws near the bottom of the steering wheel that you'll have to remove the trim below it to get at.
SOURCE: 2007 chevy trailblazer. front wipers
Must be in the multi-function switch that controls the washers and wipers. These are 2 different circuits that the only thing in common is the switch. This will take some special tools to replace. Might want to take it somewhere for this operation.
Good Luck and God Bless!
SOURCE: i need to change wiper blades on 2006 trailblazer.
The 2006 Chevrolet Trailblazer has the most common hook-end wiper arms. Purchase the replacement blades first
and there will be additional instructions/illustrations on the replacement
packages. Locate and press the tab or button where the wiper blade is
inserted into the hook of the wiper arm and pull wiper blade out of hook.
You may have to rotate and flex the blade to make enough clearance for the hook
to pass through.
2006 Chevy Trailblazer Wiper Blade Installation Videos (hook end arms)
2006 Chevrolet Trailblazer Wiper Blade Size Options w/Correct Lengths & Attachments
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