Question about 1992 Chevrolet G20
I have a 92 G20 conversion van that i think needs a new thermostat. I have got estimates and the cheapest i can find is 200 bucks because i've been told you have to remove the AC compressor. I'm not a mechanic but i think i could follow directions enough to do this myself, as i've been told by several people that this is an easy DIY project, the problem is i can't find any information online about this van and if it needs any special work with the AC unit or anything else just to replace the thermostat. any help would be fantastic. Thanks
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Posted on Jan 02, 2017
Does your van have the serpentine belt? If so maybe I can help, I replaced the Power steering pump on my 90 G20 a couple of weeks ago. The trick is that you need to pull the pump pulley which is pressed on to access the mounting bolts which attach the pump to the engine. Harbor Freight tools sells a great tool designed for this job for $20.00. Once you have the correct tools, remove the serpentine drive belt. You may also need to remove the fan shroud. the pump shaft looks like it has an allen socket in the center, but this is for use in the manufacturing process, and will not come out. Place the puller tool on the pulley following tthe instruction that come with the tool, and remove the pulley. loosen, but do not remove the nut on the high pressure hose connection. use a pair of **** pliers to cut and remove the crimp clamp on the low pressure hose. If your pump has the remote reservour loosen the clamp on the reservour hose also. Remove the three mounting bolts, place a large pan under the pump to catch drips, and remove the prevously loosened hoses. there will be fluid leaking all over and the pump should come free, There are two types of replacement pump sold. With and without reservour. This reservour is a metal cover that fits over the back of the pump, and should not be confused with the reomte revervour found on some newer models which is next to the battery. This reservour is held in place be two throught the pump bolts which are removed at the back of the pump. If your new pump has a reservour you will probably still need to remove these bolts and put them in the replacement pump as most are shiped without these bolts. If you replacement pump comes without a reservour pull the bolts, the reservour should pull off of the old pump and slide onto the new one. check the o rings and replace the through the pump bolts. Installation is the reverse of removal execpt that 1/2" hose clamps replace the crimp clamps on the low pressure hose, and the puller tool is set up differently to replace the pulley. Finally if you don't flush contaminants out of the system your repair will last maybe a week. www.cardone.com has a great article about power steering flushing, read it before you start Good luck.
Posted on May 15, 2008
It is located where the big hose comming out of your radiator connects to top of engine. Remove hose from engine your thermostat is undernieth
Posted on Nov 17, 2008
Here a are the instuctions to remove it. I did not know if you have A/C or not so I included both for you.
REMOVAL & INSTALLATION
Without Air Conditioning
See Figure 1
Posted on Nov 28, 2008
you will need some fairly long wrenchs 15mm-16mm to get leverage on the spring loaded serp tesiner put a wrench on the pulley near the belt ? also loosen the 4 fan bolts on the water pump before you remove the belt ? ther are 7 fan shroud bolts you can split the fan shroud ? 2 bolts on the lower right and 2 on the left ? after you do this then you should be down to pulling off the fan and pulley just slides off ? then remove the 4 waterpump mounting boltss, scrape the old gaskets ? when this is done all you have left is to installthe fan studs from the old pump? you do this by screwing down 2 nuts on the stud then with 2 wrenchs lock the nuts together ? then unscrew the bottom nut ? keep doing that till all 4 are replaced? install the gaskets and add some silicone and reverse the process ? hope this helps repost thumbs up !!
Posted on Aug 29, 2009
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