Problems with tun signal/wiper arm on 2004 chevy venture mini-van
The left turn signal most of the time doesn't work.The auto window washer setting and all lower speeds for wipers (front) do not work.Only
fastest speed for wipers DOES work,however, begins to slow down after staying on high speed for a while. Right turn signal DOES work, and....
when weather is colder out (20 degrees or colder) left turn signal WILL work about 70 percent of time. HELP !!!!!
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If the motor is working, the linkage between the motor and the wipers has broken. I don't have a Venture, but usually there is a plastic panel below the windshield, where the wiper arms are mounted. You remove the wiper arms, then remove the plastic panel (might be screws or it might just snap out) to get at the linkage and motor. Dealer or auto parts store should be able to order new linkage arms for you.
The wiper arm springs are weak,just grab a used set of arms as most ventures wipe great.People who stick their wipers straight up,usually when freezing rain is coming ,ruin their wiper arm springs and have less wiping pressure too, so have to replace their arms at some point. PEOPLE STOP LEAVING YOUR ARMS IN THE UP IN THE AIR,OFF THE GLASS POSITION.
There are nuts on the wiper arm posts under plastic caps[ if still there ] they looen sometimes and the arm won't move turn off the wipers so the 'park' and check the nut for tightness - should be quite snug. it that dosen't fix it then you have a linkage problem from the motor.
Your windshield arm is in need of repositioning. Take off the cap on the windshield arm and loosen the nut under the cap. Reposition the arm so that it faces 180 degrees flat to the passenger side of the car. Tighten the nut. This should solve the problem you've described.
Does the wiper arms "park" properly when you turn them off or are they different from left to right? In other words, is one sitting higher than the other?
One other thing, I have had a few come in to the shop where the wiper arm was loose where it attached to the spindle. You can check those with a 13mm wrench or socket and make sure they are tight too.
the van you have has a clutching wiper park mechanism. there is a spring at the bottom of the assembly. it breaks as the van gets older, and when this happens the wipers stay up in the air. somepeople find this distracting. so they will have there mechanic realign this clutch so it only parks in the air during pulse wiper. the repair for this is to simply have your mechanic or even you if you are mechanically inclind to replace it yourself. remember though aligning it is very important for this system to work right.
this part is bolted to the motor and it is on the left side of the engine compartment, under a plastic cover that you will need to remove. you can get a new clutch assembly from your dealer. unfortunatly it doesn't come with instructions.
- to align this part start by turning key off and removing it from ignition
-no to remove old part. you will need 27T torx screw driver to remove the clutch and 5/16 socket to loosen the wiper arm latch.
-once they are removed from assembly use a hammer to lightly tap up on the part to remove it.
-before putting the new part on take the key and turn ignition switch back on. turn wipers to pulse. when motor stops moving for the pulse timer then turn off the key and remove it again. leaving the wiper switch alone, so the motor will stay in that palse position.
-now place the new clutch onto motor shaft so that the spring loaded clip at the bottom almost clips into the lip of its holder. the lip is a raised piece of steel to the left of the shaft.
-now the knob part of the assembly should be facing the drivers side. now bolt it into place.
-hookup the wiper arms and then turn key on
-turn wipers to low then off.
they should now park down at the bottom of the window.
disconnect the negative battery post.
disconnect the harness from the wipper motor, using a 8mm socket, loosen the two crank arm socket screws and lock-washers until the socket releasesfrom the crank arm ball. do not remove the crank arm from the motor.
using a 10mm socket, remove the three motor retaining screws, slide the motor out of the slot in the bracket.
To install make sure the wipers are in the park position, slide the motor into the slot in the bracket. using the 10mm socket, install the three motor retaining screws and tighten to 49-80inch lbs.Using the 8mm socket tighten the two crank arm socket srews and lock washers. connect the harness to the wiper motor.connect the negative battery cable