notsobigkahuna Posted April 23, 2016 Share Posted April 23, 2016 Will the cap for an 89 v6 truck be correct for an 89 camper? The dealer wants $55 for a cap based on vin. Thanks kahuna in kanada Quote Link to comment Share on other sites More sharing options...
jjrbus Posted April 23, 2016 Share Posted April 23, 2016 $55 Fifty Five dollars? I would duk tape it shut before I spent $55 on a gas cap, even metric dollars! Does it look like this? Quote Link to comment Share on other sites More sharing options...
Maineah Posted April 23, 2016 Share Posted April 23, 2016 Same thing that fits a Chevy. Quote Link to comment Share on other sites More sharing options...
PapaFred Posted April 24, 2016 Share Posted April 24, 2016 One off an old dodge truck fit mine Quote Link to comment Share on other sites More sharing options...
notsobigkahuna Posted April 24, 2016 Author Share Posted April 24, 2016 The wrong gas cap can cause a lot of trouble. I had an old Saab, someone replaced the cap with one from the wrong year, non vented instead of vented. The pump crushed the fuel tank. K Quote Link to comment Share on other sites More sharing options...
jjrbus Posted April 24, 2016 Share Posted April 24, 2016 Now that's a real Saab story! Quote Link to comment Share on other sites More sharing options...
Maineah Posted April 25, 2016 Share Posted April 25, 2016 7 hours ago, notsobigkahuna said: The wrong gas cap can cause a lot of trouble. I had an old Saab, someone replaced the cap with one from the wrong year, non vented instead of vented. The pump crushed the fuel tank. K Yes that did happen some times several decades ago. Quote Link to comment Share on other sites More sharing options...
payaso del mar Posted April 25, 2016 Share Posted April 25, 2016 seriously? mechanical pump? I can't see any electric pump pulling so much vacuum it would collapse a tank. except that we have someone here who had it personally happen, i'd call that an urban legend. Quote Link to comment Share on other sites More sharing options...
Maineah Posted April 26, 2016 Share Posted April 26, 2016 9 hours ago, payaso del mar said: seriously? mechanical pump? I can't see any electric pump pulling so much vacuum it would collapse a tank. except that we have someone here who had it personally happen, i'd call that an urban legend. It won't. An old mechanical pump would. Quote Link to comment Share on other sites More sharing options...
DanAatTheCape Posted April 27, 2016 Share Posted April 27, 2016 (edited) the proper cap has a check valve to let air INTO the tank. The charcoal canister along with the TPP (a little valve) allows excess vapors to be drawn into the intake. I bought a locking cap at wallies world. I bought one that fit the standard pickup -same year. Per my maint manual the evap (evaporation) systems are identical. About $10 years ago Edited April 27, 2016 by DanAatTheCape Quote Link to comment Share on other sites More sharing options...
DanAatTheCape Posted April 27, 2016 Share Posted April 27, 2016 just looked at rockauto.com ...... many listing. I think that this is the one I have. http://www.rockauto.com/en/moreinfo.php?pk=48556&cc=1277995&jsn=365 Quote Link to comment Share on other sites More sharing options...
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