Ian Posted November 15, 2002 Share Posted November 15, 2002 I have been having problems with the washer pump, so I tried to get a new one from Auto zone. The only thing they have is a electric pump that mounts in the original place. It looks like the stock one, but does not work I then had my wife go to NAPA to get one, same thing. Does anyone know where to get the original mechanical type pump these days? Ian ------------------ http://web.tampabay.rr.com/iann/monte.html Link to comment Share on other sites More sharing options...
Mr70Monte Posted November 16, 2002 Share Posted November 16, 2002 I got one from Advance Auto, looks just like the factory one. Link to comment Share on other sites More sharing options...
Andreas Posted November 16, 2002 Share Posted November 16, 2002 Advance Auto here as well... Link to comment Share on other sites More sharing options...
Guest Posted November 16, 2002 Share Posted November 16, 2002 Are you sure all the lines going to and from are good, no holes along the way. I replaced my wiper motor and came with a new washer pump, and had to replace my lines, also are you sure the switch is working you may want to use a test light and see if you are getting power. ------------------ My 1970 Monte Restore Pages LLOYD@FIRSTGENERATIONMONTECARLO.COM Link to comment Share on other sites More sharing options...
Guest Posted November 16, 2002 Share Posted November 16, 2002 Along these lines, has anybody replaced the wiper motor assembly? The fluid pump portion of the wipers on my Monte failed shortly after I got her. Like Ian, I purchased a replacement pump assembly and it is electrical vs. the old mechanical design. It worked for about 15 seconds, then stopped. An indepth examination reveled that part of the motor/electrical portion has degraded/decayed over the decades, so no power is being sent to the fluid pump. As I did'nt drive the Monte in snowy/mucky weather last year and it was a dry winter it dropped down the priorities list. Its coming back up the list and I'm wondering how involved/difficult the extraction and replacement will be. Link to comment Share on other sites More sharing options...
Ian Posted November 17, 2002 Author Share Posted November 17, 2002 The part I don't get is that after I tried the electric replacement one, we put the original one back on and it worked. Then the next day I needed to use it and it did not work So I think the switch is fine, but I have a intermittent working pump... The lines seem fine, I can blow thru them and get bubbles in the washer fluid tank... Ian Link to comment Share on other sites More sharing options...
ejw71 Posted November 17, 2002 Share Posted November 17, 2002 The GM washer pump somtimes requires priming. On my ElCamino I had to fill the pump & lines with water to get it to start working. When it quit working I refilled it again. After that I just lived with it. Why some pumps lose their primes? I don't know. Ed ------------------ '71 Black 406/700R4 '71 Sandalwood SS454 '71 project 2" chop/Green/346LS1/4L60E Link to comment Share on other sites More sharing options...
19MC70 Posted January 7, 2004 Share Posted January 7, 2004 I just got a pump from Advance for my Monte. The case was a little off, so I scavenged the parts off of the new one and put them in the original housing. Is it normal for that thing to make such a popping sound when it's running? Link to comment Share on other sites More sharing options...
Mr70Monte Posted January 7, 2004 Share Posted January 7, 2004 yes, thats normal Link to comment Share on other sites More sharing options...
cbolt Posted January 7, 2004 Share Posted January 7, 2004 Priming is the key to the pumps. You should be able to hear it working with the engine off when you push the wash button. If it is making the popping noise, the pump is running but like any fluid pump, it won't work with air when it loses the prime. I think a wearing pump diaphram or loose or degraded hoses will cause the pump to lose it's prime, and make it difficult to use. they sell repair kits for the washer pumps that include a new diaphram and cap for it if your pump is electrically good. I have used them before on other GM products I have owned with no problems. Jim Link to comment Share on other sites More sharing options...
wallaby Posted January 8, 2004 Share Posted January 8, 2004 I just did a clean/adjust/lubricate thing with my entire wiper system and motor. I found lots of areas that hadn't seen oil or grease for 30+ years, and I was able to devise ways to get oil to the areas that have "sealed bearings". In fact, I was thinking of writing a tech article on this very subject for the newsletter...we'll see if that ever happens. The removal/replacement of the motor as an assembly is very easy. Link to comment Share on other sites More sharing options...
Guest Posted January 8, 2004 Share Posted January 8, 2004 Wallaby this would be an excellent article! I really do hope you have the time to write it. In fact, I was thinking of writing a tech article on this very subject for the newsletter...we'll see if that ever happens. Link to comment Share on other sites More sharing options...
Hoodicoff1 Posted January 8, 2004 Share Posted January 8, 2004 I have rebuilt the pumps two times, once in my 74 Cheyenne, and the other one in my 77 Silverado, once they get full of fluid, they will work fine Link to comment Share on other sites More sharing options...
kc8oye Posted January 13, 2004 Share Posted January 13, 2004 Which wire does what for the washer pump? i have one that comes up from the bulkhead.. presumably the main power.. but whats the other wire do that goes down to it's own terminal on the wiper motor connector? I just put all new lines and a new tank on.. and even siphoned washer solvent all the way up the line to the pump.. and still no go.. it doesn't wanna squirt Link to comment Share on other sites More sharing options...
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