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Car Forum / Honda Cars / August 20041997 Honda Civic PCV Valve ISIT TRUE?
The people at Jiffy Lube and Mr. Tire claim that my 1997 Honda Civic does not have (and never was meant to have a PCV valve. Can this be true? If it isn't, where is the darn thing? Dennis For a 1997 Honda Civic 4-Door EX manual transmission, the PCV valve is item 3 in Majestic online's drawing at http://tinyurl.com/2f4py . If this is not your car's exact make, at the above site click on "RETURN TO CHOOSING A SYSTEM... " and put in the appropriate information. Then choose "Breather Chamber" from the menu. > The people at Jiffy Lube and Mr. Tire claim that my 1997 Honda Civic > does not have (and never was meant to have a PCV valve. Can this be > true? If it isn't, where is the darn thing? > The people at Jiffy Lube and Mr. Tire claim that my 1997 Honda Civic > does not have (and never was meant to have a PCV valve. Can this be > true? If it isn't, where is the darn thing? > Dennis I don't think it is true. Most likely the Jiffy Lube guys were confusing the PCV valve with the EGR valve, not all Honda engines have an EGR valve. Caroline, My civic is automatic transmission. I tried to go to the site you suggested but came up empty. Would you kindly check the URL or give me a handle for a Google search. I appreciate your effort. Dennis Mon, 05 Jul 2004 13:37:30 -0400, Dennis Arenson <darenson@adelphia.net> wrote: >The people at Jiffy Lube and Mr. Tire claim that my 1997 Honda Civic >does not have (and never was meant to have a PCV valve. Can this be >true? If it isn't, where is the darn thing? >Dennis > Caroline, > My civic is automatic transmission. I tried to go to the site you [quoted text clipped - 9 lines] > >true? If it isn't, where is the darn thing? > >Dennis The people at jiffy lube are either confused or clueless. The PCV valve is located in the side of the breather box under the intake manifold. Either way, confused or clueless, there are enough bad stories around about jiffy lube that I would never recommend anyone go there, not even for an oil change http://www.consumeraffairs.com/automotive/jiffy_lube.htm. You are probably better off finding a good independent shop in your area that specializes in Hondas. You can contact the AAA, http://www.aaa.com, or the BBB, http://www.bbb.com, to ask for recommendations in your area or you can ask around on the net as well as asking family and friends. Please see http://www.high-road.com for an example of a good independent shop. By the way, the site Caroline referred to is http://www.hondaautomotiveparts.com. Eric Dennis, go to http://www.hondaautomotiveparts.com/auto/jsp/mws/catdisplay.jsp and put in your car's information. For the last item, select "Breather Chamber." I like Randolph's theory: It's true not all Civics have an EGR valve. For example, by design, my 1991 Civic does not. I am confident all Civics sold in the U.S. have a PCV valve. The PCV valve is there to fulfill federal law involving emissions (pollution) requirements. I haven't heard of substitutes on Hondas in the U.S. > Caroline, > My civic is automatic transmission. I tried to go to the site you [quoted text clipped - 9 lines] > >true? If it isn't, where is the darn thing? > >Dennis Early Hondas never had a PCV valve. I keep looking and still don't find PCV valves in Hondas. PCV valve were a crappy way of crankcase ventilation often found on some American cars. Honda tends to engineer rather than cost control. Therefore Honda did crankcase ventilation with more intelligence. Is there any Honda that uses PCV valves? I have yet to find one. I will keep looking. Found none in a 1992 Civic nor in a 2004 Civic. I suspect those who talk about PCV valve in Honda may be confusing EGR or other valves with PCV valve - having assumed rather than first consult the manufacturer's Service Manual. Confidence is not good enough to say a PCV valve exists. Enemies of us engineers too often use such feelings rather than first get solid facts. One should not post these things unless one first confirms the facts. I can find no reference to any PCV valve in any Honda - including the original Accords and Civics. I personally know every one of my Hondas had no such PCV valve. They are designed by engineers; not bean counters. > Dennis, go to http://www.hondaautomotiveparts.com/auto/jsp/mws/catdisplay.jsp > and put in your car's information. For the last item, select "Breather Chamber." [quoted text clipped - 19 lines] > > >true? If it isn't, where is the darn thing? > > >Dennis > Early Hondas never had a PCV valve. true... > I keep looking and still don't find PCV valves in Hondas. [snip] perhaps you're not looking in the right place? for years they were in the top of the valve cover. on some civics they're screwed into the intake manifold. on many other models they're in the breather box. but then maybe you work for jiffy lube? either way thanks for the entertaining post! really too funny! > Is there any Honda that uses PCV valves? I > have yet to find one. Check part number 17130-PC6-003, Valve Assy., PCV This part is found in: Accord from '83 through '87 Check part number 17130-PE0-003, Valve Assy., PCV This part is found in: CRX from '84 through '87 Civic from '84 through '87 Check part number 17130-PK1-003, Valve Assy., PCV This part is found in: Prelude from '88 through '01 Accord from '90 through '02 Check part number 17130-PM3-003, Valve Assy., PCV This part is found in: Civic from '88 through '91 Check part number 17130-PM6-003, Valve Assy., PCV This part is found in: Civic from '92 through '00 And so on. The fact that the most recent use I found of a PCV valve is due to the fact that my Honda EPC (Electronic Parts Catalog) is from 2002, not because Honda stopped using PCV valves. Also, don't run out and buy parts according to the list above, it is just a small sampling of the 46 results I found for PCV valve, several different part numbers were in use on the same model in any given year. > I will keep looking. Found none in a 1992 Civic Keep looking, it's there! > I suspect those who talk about PCV valve in Honda > may be confusing EGR or other valves with PCV valve - having > assumed rather than first consult the manufacturer's Service > Manual. The other way around. The Helm service manual for my '94 Civic list a PCV valves for all trim levels, but only a select few have EGR valves. "Randolph" <trash@junkmail.com> wrote w_tom snip extensive proof of PCV valves in Hondas > > I suspect those who talk about PCV valve in Honda > > may be confusing EGR or other valves with PCV valve - having [quoted text clipped - 3 lines] > The other way around. The Helm service manual for my '94 Civic list a > PCV valves for all trim levels, but only a select few have EGR valves. Indeed. The manuals at http://www.honda.co.uk/owner/workshopmanuals2.html cover various seven models of 1984-1997 Hondas. The manuals are supposed to be identical to Helm manuals, as Honda publishes both. Every one of these manuals discusses and describes the PCV valve in these 1984-1995 Hondas. For example, w_tom should see http://www.honda.co.uk/owner/WorkshopManualCivic84-87/62sb200/12-21.pdf (1984-1987 Civics, carbureted) http://www.honda.co.uk/owner/CivicManual/pdf/11-109.pdf (1995-1997 Civics) If, incredibly, he's not satisfied with this, he can go to http://www.hondaautomotiveparts.com/auto/jsp/mws/catdisplay.jsp , inquire about most any Honda model he wants, click on "Breather Chamber" or similar, and he'll see a drawing of the PCV valve's location as well as the PCV valve price. www.autozone.com likewise describes how to change the PCV valve, though it has free online manuals only for pre-1996 or so Hondas. (Sorry for the piggbybacking. I stopped reading w_tom's posts some time ago... ) > Confidence is not good enough to say a PCV valve exists. >Enemies of us engineers too often use such feelings rather [quoted text clipped - 4 lines] >such PCV valve. They are designed by engineers; not bean >counter I've got a 1994 Civic DX that I just replaced the PCV valve for, so obviously that's not one of the ones in your garage... Nate Caroline properly cited Hondas that use PCV valves. PCV are not used in carbureted Hondas and in some earlier fuel injected Hondas. Furthermore, those PCV valves are not obvious being located on the intake manifold rather than on engine valve cover. If a PCV valve becomes stuck open, it does not adversely affect engine performance as PCValves would do to carbureted engines. IOW many Honda mechanics don't even bother looking at the PCV except if engine idles too high. PCV rarely create failures and are so difficult to get at. According to shop manual, PCV is something only inspected every 60,000 miles or four years. Replaced only if seriously stuck closed or open. Unlike PCV found in 1980 non-Hondas, the PCV no longer creates engine (fuel-air ratio) problems. > I've got a 1994 Civic DX that I just replaced the PCV valve for, > so obviously that's not one of the ones in your garage... > > Nate > Caroline properly cited Hondas that use PCV valves. PCV are > not used in carbureted Hondas and in some earlier fuel > injected Hondas. you are mistaken... 1984-7 Honda Civic, Carbureted - http://tinyurl.com/5g5zs Item #11 is the PCV valve 1984-5 Honda Accord, Carbureted - http://tinyurl.com/4asq4 Item #20 is the PCV valve 1986-9 Honda Accord, Carbureted - http://tinyurl.com/5anyy Item #18 is the PCV valve 1985 Honda Accord SEI, early fuel injected - http://tinyurl.com/6zo2m Item #20 is the PCV valve as bush has discovered, merely chanting that it is so does not indeed make it so. please stop insisting on this lunacy. thank you. Try this one - 1981 Accord. Does IT have a PCV valve? > you are mistaken... > [quoted text clipped - 9 lines] > 1985 Honda Accord SEI, early fuel injected - http://tinyurl.com/6zo2m > Item #20 is the PCV valve > Try this one - 1981 Accord. Does IT have a PCV valve? this is irrelevant. you had stated... > PCV are not used in carbureted Hondas and in some earlier fuel > injected Hondas. as I noted earlier, pcv valves could be found in carbureted accords from 84-89 and in carbureted civics from 84-87. pcv valves can also be found in the 85 accord sei which, to the best of my knowledge, was the first accord with fuel injection. your statement contradicts the facts. it claims that all carbureted hondas did not have a pcv valve. this statement is simply false. now, had you made the statement that carbureted hondas prior to 84 did not have a pcv valve, then your statement would have been correct. however, that's not what you said. it's not even close. : The people at Jiffy Lube and Mr. Tire claim that my 1997 Honda Civic : does not have (and never was meant to have a PCV valve. Can this be : true? If it isn't, where is the darn thing? : Dennis The PCV valve in your civic is in between the engine and the firewall. The easiest way to find it is when you change your oil. Once you are under the car and remove the oil filter, you will see it just above the oil filter. Most of the times (if it's an OEM) it is a blue valve with a hose connected at the end. Thanks guys. Your advice was helpful. Problem solved. Dennis >The people at Jiffy Lube and Mr. Tire claim that my 1997 Honda Civic >does not have (and never was meant to have a PCV valve. Can this be >true? If it isn't, where is the darn thing? >Dennis |
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