Looking for help on several things
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New User
Joined: Nov 2003
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From: Sac
Looking for help on several things
I have a 98 Mazda B3000 and i am looking for some help on some problems. First off my front hubs are not engaging all of the time. any ideas for a fix??
Second My Heater/AC controls are on the havoc. No matter where I want the air to flow it only seems to want to use the defrost venting. It will sometimes surge between where i want it and the defrost vent. Open to any ideas for fixing..duct tape...zip tie...macgyver style...anything..just kidding..LOL.
And last but not least my check engine light is always on I took it to Autozone and the code came back as PO455. Which in my book says Evaporative emission control system malfunction (con. Leak detected).. in english please and possible solution???
my book lists the problem but not cause or solution.
Help with any of these would be greatly appricated.
Second My Heater/AC controls are on the havoc. No matter where I want the air to flow it only seems to want to use the defrost venting. It will sometimes surge between where i want it and the defrost vent. Open to any ideas for fixing..duct tape...zip tie...macgyver style...anything..just kidding..LOL.
And last but not least my check engine light is always on I took it to Autozone and the code came back as PO455. Which in my book says Evaporative emission control system malfunction (con. Leak detected).. in english please and possible solution???
my book lists the problem but not cause or solution.Help with any of these would be greatly appricated.
Cargo Master
Joined: Aug 2003
Posts: 3,237
Likes: 3
From: Belleville, Ontario
The heater controls are vacuum operated. I once used some fresh chewed gum to plug the leak in a 1985 Crown Vic automatic park brake release(vacuum operated). Before you go to fix the code problem, you should take care of the heater controls. I think that no vacuum to them will cause them to go to defrost??? Do a search to verify this.
Posting Guru
Joined: Sep 2003
Posts: 2,263
Likes: 0
From: N. Florida - The "No 4x4
Your are right Dealford, defrost is the "default" position in the event of vacuum failure (for whatever reason).
BTW - I agree generally as well; you have vacuum problem.
I suggest you start at the o-rings inside the front hubs.
HTH.
P.S. this has been discussed in detail, Ken did an *excellent* post on how all this works, search the topics within in the last month.
BTW - I agree generally as well; you have vacuum problem.
I suggest you start at the o-rings inside the front hubs.
HTH.
P.S. this has been discussed in detail, Ken did an *excellent* post on how all this works, search the topics within in the last month.
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