please help 1996 could this be true?
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All Star
Joined: Jul 2011
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From: Missouri
please help 1996 could this be true?
Ok so Ive never heard of nothing like this but Im looking@a 96 ext cab with the 360&every time you hit 4mph the air switches from vents to the defrost &you can hear a pop the person selling the truck said all 96s did that as a way to save gas is this true or is something up?Thanks in advance
Professional
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Mine does it. Anything over 75mph and it goes to defrost permanently until I slow back down. Whenever I put a load on it, or floor the pedal, it switches from whatever setting I have it on to defrost. I have a new Crate motor in it too. I got a friend with a 96 extended cab that does the same thing. Not sure if it is normal, but this mechanic isnt lying to you.
But Like Hey You said, I think I may have a BAD PLENUM.
But Like Hey You said, I think I may have a BAD PLENUM.
Last edited by etdavenport; Aug 20, 2011 at 01:49 AM.
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Legend
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From: DFW, Texas
It's a vacuum leak. The more throttle you give it, the less vacuum the engine has. When to have a leak, the vacuum drops so low that it can't keep the actuator door in its proper position, which is why the OP heard a popping sound.
That pop is the vac letting go and the door slamming to the original position, which is vent only operation.
If while driving, your vents switch to defrost only, you have a vac leak, fix it.
That pop is the vac letting go and the door slamming to the original position, which is vent only operation.
If while driving, your vents switch to defrost only, you have a vac leak, fix it.
Last edited by aim4squirrels; Aug 20, 2011 at 10:45 AM.
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From: Gainesville, Ga.
^ what squirrels said.
its a common vac leak problem, not serious, easily fixable.
however - your seller is sort of a liar, so don't believe other things he might say, such as - this transmission's bad and all 96's are that way. well, LOL, they sort of are - but you don't want to buy something with an expensive repair in your immediate future. unless you get it very cheap....
welcome to df. good luck on the truck search.
if you happen to find an 00-01 4wd Off-Road edition - buy it. its the holy grail.
its a common vac leak problem, not serious, easily fixable.
however - your seller is sort of a liar, so don't believe other things he might say, such as - this transmission's bad and all 96's are that way. well, LOL, they sort of are - but you don't want to buy something with an expensive repair in your immediate future. unless you get it very cheap....
welcome to df. good luck on the truck search.
if you happen to find an 00-01 4wd Off-Road edition - buy it. its the holy grail.