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Car Forum / Honda Cars / September 2004Won't start in hot sun-91 Accord
My 1991 Accord EX won't start in the late afternoon when the sun heats up the driver's side of the car. As soon as the sun goes down and the vehicle cools, the car starts instantly. I suppose it's vapor lock or some such fuel system issue. Any suggestions before I pay the local garage a bundle to diagnose it? Thanks -Mark And Google sez. . .bad solder joints on the main relay. Shoulda checked first before posting. -Mark "Mark" <nospam@thanksanyway.org> wrote in news:DKGdnYAIcM8x7qPcRVn- rw@speakeasy.net: > And Google sez. . .bad solder joints on the main relay. > Shoulda checked first before posting. > > -Mark Here's more info; http://www.markl.f9.co.uk/howto/electrical/main-relay/main-relay.htm  SignatureJim Yanik jyanik-at-kua.net Sounds like the classic "Main Relay" problem except that I have not heard it happen on Accords. Not even sure if Accords have that troublesome relay. Anyway, if they do, you'll find the solution on the ff: http://www.markl.f9.co.uk/howto/electrical/main-relay/main-relay.htm > My 1991 Accord EX won't start in the late afternoon when > the sun heats up the driver's side of the car. As soon as the [quoted text clipped - 6 lines] > Thanks > -Mark > Sounds like the classic "Main Relay" problem Yes indeed. And happily, I am handy with a soldering pencil! -Mark yep,they do also.Friend has a 90 accord,same thing happened to it. > Sounds like the classic "Main Relay" problem except that I have not heard it > happen on Accords. Not even sure if Accords have that troublesome relay. [quoted text clipped - 12 lines] > > Thanks > > -Mark > yep,they do also.Friend has a 90 accord,same thing happened to it. And it happened to the factory stereo in this car, too. The left front speaker went "intermittent," driving me nuts for a few years. Then the right front speaker followed suit. Hours of troubleshooting just left me frustrated. Finally, I disassembled the amplifier section inside the deck, and there was a row of dry, broken solder joints behind the plug for the wiring harness. I re-flowed them, and the problem hasn't been heard from since. -Mark Got the same problem with the radio on my 92 Integra. I suspected bad solder joints but did dare open the unit. On your cue I may just do that now. > > yep,they do also.Friend has a 90 accord,same thing happened to it. > [quoted text clipped - 7 lines] > > -Mark I seem to have the same problem. My right front speaker in 91 Accord Ex does not seem to work at all and the left one is one sometimes and off sometimes....could it be the broken solder joints as u said? Please suggest. I have'nt worked with the car radio ever but if u guys could suggest may be I can try something TIA HNB > > yep,they do also.Friend has a 90 accord,same thing happened to it. > [quoted text clipped - 7 lines] > > -Mark >I seem to have the same problem. > My right front speaker in 91 Accord Ex does not seem to work at all and [quoted text clipped - 5 lines] > could > suggest may be I can try something That certainly sounds like the same problem I had. Mine was caused by broken solder joints for the connector pins on the back of the radio. I don't recall the exact steps, but basically you remove the radio and disassemble sufficiently to get access to the circuit board behind the socket where the harness plugs into the radio. Look closely at the two rows of solder connections where the connector pins are attached to the circuit board. . .mine were visibly broken. It's probably best just to re-solder all of them. Good luck, let us know how it comes out! -Mark I had to mine on a '91 accord about two years ago. >yep,they do also.Friend has a 90 accord,same thing happened to it. > [quoted text clipped - 15 lines] >> > Thanks >> > -Mark > Sounds like the classic "Main Relay" problem except that I have not heard it > happen on Accords. Not even sure if Accords have that troublesome relay. My '93 Accord sure did. You can resolder, or spend $46 on a new one. My mechanic simply resoldered mine. It's buried deeply under the dash. Andrew > Anyway, if they do, you'll find the solution on the ff: > http://www.markl.f9.co.uk/howto/electrical/main-relay/main-relay.htm >> My 1991 Accord EX won't start in the late afternoon when >> the sun heats up the driver's side of the car. As soon as the [quoted text clipped - 6 lines] >> Thanks >> -Mark |
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