Fuel Tank hissing
Thread Starter
Junior Member
Joined: Jun 2005
Posts: 17
Likes: 0
From: Lebanon, Tennessee
Car: 1987 Pontiac Firebird
Engine: 2.8 V6
Transmission: 700R4
Wow its good to know mine isn't the only one that does it. 89karr I see that your 700r4 tranny is slipping too. Mine does it when shifting from 3rd to 4th gears.
Knight75
Knight75
Supreme Member




Joined: Feb 2005
Posts: 2,509
Likes: 201
From: Hawaii
Car: 89' Firebird / 87' Formula
Engine: 3.4 / 5.0
Transmission: 700-R4
Axle/Gears: 3.42 / 3.42
yup yup. I believe it is the pressure that id built up in the tank. My mom's Corolla and old Corlla also used t do it. BTW, mine occasionally slips from 3rd to 4th too!
Member
Joined: Jul 2004
Posts: 421
Likes: 0
From: IL
Car: 91RS, 91RS
Engine: 305TBI, 3.1MP
Transmission: WCT5, TH700
You guys talk about when your tranny slips
I talk about when mine actually grabs.....
BTW, perfectly normal
Just keep the dube smoking around the fumes to a minimum
Max
I talk about when mine actually grabs.....
BTW, perfectly normal
Just keep the dube smoking around the fumes to a minimum
Max
Supreme Member




Joined: Feb 2005
Posts: 2,509
Likes: 201
From: Hawaii
Car: 89' Firebird / 87' Formula
Engine: 3.4 / 5.0
Transmission: 700-R4
Axle/Gears: 3.42 / 3.42
Originally posted by myvmax1
You guys talk about when your tranny slips
I talk about when mine actually grabs.....
BTW, perfectly normal
Just keep the dube smoking around the fumes to a minimum
Max
You guys talk about when your tranny slips
I talk about when mine actually grabs.....
BTW, perfectly normal
Just keep the dube smoking around the fumes to a minimum
Max
Senior Member
Joined: Sep 2004
Posts: 830
Likes: 0
From: Kansas
Car: 85 camaro sport coupe
Engine: 2.8 MFI
Transmission: v6 700R4 wish it was a 5spd Stick
Axle/Gears: Stock non posi 3.42s
mine never hisses makes me wonder if i have a leak some where? i always smell a bit of gas when i start the car but i have thought that was normal as all the cars i have ben around that dont have cats did that(im in kansas if there are emissions laws here they dont say anything. i even asked a cop if there were E laws here and he had no clue!)
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Supreme Member
Joined: Jun 2000
Posts: 2,937
Likes: 0
From: Moorpark
Car: 1991 CAMARO 1968 FIREBIRD
Engine: CAMARO 3.1L FIREBIRD 455
Transmission: CAMARO 700R4 FIREBIRD TH-400
Try picking a new one up and see what happens i heard they go bad after a while. And also it can increase your MPG but i dont know if gthat part is true.
Senior Member
Joined: Sep 2004
Posts: 830
Likes: 0
From: Kansas
Car: 85 camaro sport coupe
Engine: 2.8 MFI
Transmission: v6 700R4 wish it was a 5spd Stick
Axle/Gears: Stock non posi 3.42s
well mabe i will i think im gonna get a locking one to as there has ben a lot of people geting crap put in there gas tanks around here by kids.
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