Cooling fan stays on alllllll the time!

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Jun 21, 2007 | 01:24 PM

1989karr

Thread Starter

Supreme Member

Joined: Feb 2005

Posts: 2,511

Likes: 202

From: Hawaii

Car: 89' Firebird / 87' Formula

Engine: 3.4 / 5.0

Transmission: 700-R4

Axle/Gears: 3.42 / 3.42

Cooling fan stays on alllllll the time!

Ok I found out that my cooling fan comes on as soon as I start the car even when cold. I mean immediately. I replaced all the sensors with new ones when I swapped to the 3.4 (man that was quite expensive...) all A/C Delco

I haven't installed the A/C components yet so all the A/C stuff is disconnected like all the compressor connectors and the connector that goes to the A/C pipe on the passenger side. Does this affect it in any way?

Does anyone have any suggestions as whats goign on here? Bad sensor? Wrong sensor? Bad relay? Thanks in advance!

Jun 21, 2007 | 01:36 PM

Street Lethal

Supreme Member

iTrader: (16)

Joined: Jul 2003

Posts: 10,538

Likes: 206

From: NYC / Jersey

Car: 1990 Trans Am GTA

Engine: Turbo 305 w/MS2

Transmission: 700R4

Re: Cooling fan stays on alllllll the time!

Quote:

Originally Posted by 1989karr

I haven't installed the A/C components yet so all the A/C stuff is disconnected like all the compressor connectors and the connector that goes to the A/C pipe on the passenger side....

Re-connect the A/C fan pressure switch....

Jun 23, 2007 | 12:35 PM

1989karr

Thread Starter

Supreme Member

Joined: Feb 2005

Posts: 2,511

Likes: 202

From: Hawaii

Car: 89' Firebird / 87' Formula

Engine: 3.4 / 5.0

Transmission: 700-R4

Axle/Gears: 3.42 / 3.42

Re: Cooling fan stays on alllllll the time!

Quote:

Originally Posted by Street Lethal

Re-connect the A/C fan pressure switch....

ah will do and see what happens. Is this the one at the compreeor or is it the one on the hard line? I haven't installed the hard line/accumulator yet thats why.