Question about 1998 GMC Safari
I switched out the rear hatch with an older model that does not have a module for the wiper motor so I have to switch motors to keep the wiring compatible.My problem is I cant get the wiper arm off the motor shaft. There is a what seems like a retainer clip that slips out about halfway but thats all I can see. The big plastic nut that holds the shaft is loosened & I yank & pry but nothing gives. I have oiled where the shaft & arm come together but I dont want to yank too hard & cheese the whole assembly
Wiper arms are fitted to a tapered and splined shaft and they can become very tight on the shaft even without the problems of poor maintenance - when servicing a vehicle I always loosen the wiper arm retaining nuts and apply a small amount of chain lube and retighten. Subsequent removal becomes a little easier and the chance of snapping a wiper spindle much reduced.
These days few wiper arms can be removed without using a small gear puller that is sold by tool outlets for the purpose of removing most wiper arms. Recently a colleague needed to manufacture a "special" for a particular car because mine wouldn't fit.
Rear wipers receive no maintenance at all generally and being more exposed to the weather, salt, road dirt, corrosion can be a big factor when removing the arm from the spindle. This is especially so when the rear wiper arm is plastic with a moulded-in ally hub. I have in the past had to resort to carefully cutting and grinding away the arm in order not to risk the spindle or the glass.
I suggest you try a wiper arm puller and a little gentle heat and if that doesn't seem to be working then cutting, grinding or drilling would be the best solution, after protecting the glass with lots of forgiving material...
Posted on May 14, 2017
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Posted on Jan 02, 2017
here is how to find out if blower motor is bad, locate blower motor under hood at firewall passenger side. Remove wire from blower. Get a length of wire long enough to reach from battery to blower. strip both ends of wire about an inch. attach one end to positive side of battery touch other end to blower motor terminal. This will spark a bit when touched. If motor doesent run and you are sure both ends are connected replace the motor about 45 bucks at auto zone.
Posted on Jan 12, 2009
SOURCE: windshield wiper arm
These are a tight fit...Spray a little penetrating lubricant onto it and let it sit for about 20 minutes. You will notice there are splines that match up from the drive unit to the base of the wiper arm...sometimes these can get a little corroded and becasue of the relative surface area it makes them a real pain to get off. You may need to just pry against it gently with a flat head scredriver after you spray on the lubricant. Pray at it from all different sides of the base so that it doesn't bind up and get crooked.
Hope this helps! Good Luck!
Posted on Feb 12, 2009
There is normally some screws in the handle door that stick to door panel,also you may need to remove manual window handle..(depends if this applies here)...
Posted on Aug 04, 2009
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