Just noticed I only have 1/2 shroud by fan & radiator , on a 84 is it necessary
I posted earlier in week RE: overheating after new radiator Got a lot of good feed back
Next & last item too change is WP which I will do in a few days once the cuts on my arms & fingers heal , Those of you familiar with the 84 , there are a few WP sold at my local box store , Cheap O model , $ 50 bucks or the $150 dollar model , According too the guy , the $ 150 dollar model pushes the water faster and aides in cooling ? Any of you know TRUE OR FALSE ? , Noticed today the Fan shroud , 1/2 missing , Only top portion , bottom is missing , Could fan be loosing circulation if 1/2 is open ?? or was this common with owners removing helping with cooling ?? I have owned this car 15 years , never noticed ,until today ? thank You |
Fan won't be working very well with half the shroud missing. If it worked better without it I'm sure GM wouldn't have fitted it and saved a few $$.
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"Half" the fan shroud is normal. My '84 is stock radiator, and it's the same. Be careful about people guessing on advice.
:cool: |
I don't know that 1/2 could be considered 'normal'! Only #1 in this image is actually considered a 'shroud'.
https://cimg3.ibsrv.net/gimg/www.cor...0aaa530645.png |
https://cimg7.ibsrv.net/gimg/www.cor...110a53d323.jpg
Numbers 24 & 7 are the shrouds, #7 should have windows in it. |
Originally Posted by ex-x-fire
(Post 1599251678)
https://cimg7.ibsrv.net/gimg/www.cor...110a53d323.jpg
Numbers 24 & 7 are the shrouds, #7 should have windows in it. ** Your image and mine should certainly help the OP 'sort' his thought to be issue. Did I know what HRR meant! SURE DID!! https://cimg9.ibsrv.net/gimg/www.cor...8d660be6ea.png |
Hmm, 24 & 7 are supporting the radiator but are also directing air through the fan so I would call them support shrouds then:-)
I have a C3 as well as a C4. On the C3 the shroud and the core support are completely different parts unlike the C4 where they are combined. C3 shroud C3 radiator core support https://cimg3.ibsrv.net/gimg/www.cor...94a1eb139.jpeg C3 Vette radiator core support https://cimg8.ibsrv.net/gimg/www.cor...2f5f86468.jpeg C3 Vette fan shroud |
I suspect the OP and I may both be talking about the same thing. The bottom half of the area around the fan is an open space. I may have the nomenclature wrong, but I've been puzzled about all that open space around the bottom of the fan, too. I don't have a cooling problem, so I haven't worried about it.
I didn't intend to get tangled up in semantics. What would you call this? https://cimg4.ibsrv.net/gimg/www.cor...131d73f45c.jpg :cool: |
If the lower one didn't have holes, the cooling fan should be more effective. I was in a Chicago traffic jam on a very hot & humid day and lost my a/c, the air wasn't being pulled through to cool the condenser. The engine temp went to 235* then down to 210*. Once I got up to speed the a/c started working.
I suspect the holes are there to prevent a bottleneck of air at highway speeds. |
Thanks for your responses
Lower portion of fan shroud is missing , Previous owner . Will search for one / cant hurt cooling / only help. Vehicle still over heating idling in driveway. WP is next on the agenda Nobody responded too my question BOX stores offer many GM engine parts , , I changed WP around 6 years ago , Vette sits , might have 2 thousand miles on this WP . Don't recall were I purchased but it was one of the box stores and knowing cheap me ( frugal ) possibly purchased the $ 50 dollar Water pump , Hate too do the labor again , Auto Zone offer a number of WP CHEAP O $ 50 dollar Deluxe $ 150 , supposed too have larger impellers to turn water faster helping in cooling DELCO is also available which I think is an Ecklers part ( can drive too Ecklers ) or go NAPA which has better stuff , ?? ROCK AUTO ? Just looking too correct this over heating issue that has been an issue way too long , AGAIN THANKS |
Originally Posted by Al B
(Post 1599253868)
I changed WP around 6 years ago, Vette sits, might have 2 thousand miles on this WP.
:cool: |
With the 84 being a "bottom-breather", I would be looking to see if #17 and #19 in the diagram are present and intact.
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Originally Posted by renchjeep
(Post 1599275120)
With the 84 being a "bottom-breather", I would be looking to see if #17 and #19 in the diagram are present and intact.
:cool: |
Originally Posted by Al B
(Post 1599253868)
Thanks for your responses
Lower portion of fan shroud is missing , Previous owner . AGAIN THANKS |
Thank You Everybody , All items discussed makes sense ,
Hot Rod Roy pointed out should not make that much of a difference , sitting in driveway with or without shroud , ( I was thinking that also ) Put project down for a week or two , 383 vette, once I get back too project will get in touch , Over heating in driveway only thing left is WP , |
To test the water pump, unhook one of the heater hoses and start the engine, it should flow like a garden hose.
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THANKS FOR ALL YOUR RESPONSES
RESUMED PROJECT My previous postings indicated the cooling issues I had many years with my 84 Changing radiator since radiator was original plus the plastic drain plug was stripped , not trusting it holding under pressure A little recap , I always had cooling issues , WP was changed 6 years due too leakage , Little mileage since change , New radiator with cap , Starting car OVER HEATING idling in driveway ??? Fan turned on at 187 Did discover missing lower fan shroud , that I intend too purchase , cant hurt . Purchased WP , and yesterday decided too tackle this job , Removing upper hose from radiator little too no water was coming out ??????????? WHY ? noticed something in HOSE. , Got my needle nose , and pulled out a piece of Black plastic. How did this happened ?? Obviously I DID IT < BUT HOW , Black plastic turned out too be the cap from the end of the small grease tube. Lodged n the hose just before thermostat opening , Stopping water flow Filled with water , started car , can clearly see water movement in radiator . Took out for a spin , topped off fuel , No over heating , Will drain and put in coolant Glad I discovered this prior too WP removal , thank you for all your responses |
Originally Posted by Al B
(Post 1599398926)
Removing upper hose from radiator little too no water was coming out ??????????? WHY ? noticed something in HOSE. ,
Got my needle nose , and pulled out a piece of Black plastic. How did this happened ?? Obviously I DID IT < BUT HOW , Black plastic turned out too be the cap from the end of the small grease tube. Lodged n the hose just before thermostat opening , Stopping water flow Filled with water , started car , can clearly see water movement in radiator . Took out for a spin , topped off fuel , No over heating , Will drain and put in coolant Glad I discovered this prior too WP removal , thank you for all your responses |
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