A/C Compressor Mounting
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Senior User
Joined: Jan 2010
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From: Florida
A/C Compressor Mounting
Wanted to know if anyone with a 92-96 Bronco can tell me if they have spacers between the compressor and the mounting bracket. 
I can't find anything from Ford or tech bulletins. Has to be factory installed air. I've been looking at some pics and videos and the ones I can see....there are no spacers. Pulled my compressor off due to it not lining up with the other pulleys and annoying belt squeal. I've got the whole mounting bracket off right now. Gonna pull the leaky steering gear out and get everything cleaned up.
I can't find anything from Ford or tech bulletins. Has to be factory installed air. I've been looking at some pics and videos and the ones I can see....there are no spacers. Pulled my compressor off due to it not lining up with the other pulleys and annoying belt squeal. I've got the whole mounting bracket off right now. Gonna pull the leaky steering gear out and get everything cleaned up.
Postmaster
Joined: Jan 2013
Posts: 3,512
Likes: 3
From: Panama City
I cant speak positively about your Bronco, but Ford usually doesnt have spacers between compressor and bracket. If spacers are required it's been my experience they are between the mounting bracket and the water pump/cylinder head. Hope this helps you.
Fleet Mechanic
Joined: Sep 2003
Posts: 1,716
Likes: 15
No spacers of any sort on my '94 351, er, 5.8L. Three bolts hold bracket onto cylinder head, bracket has one larger clearance hole so water pump stud (unthreaded on outside end) sticks through with no interference or connection.
And compressor fits tight to bracket with the four mounting bolts.
What engine?
When you say not lining up with the other pulleys, I think of forward-rearward misalignment, I don't see anything there to cause something like that on the 351. Unless the compressor had the wrong clutch/pulley assembly or something like that.
And compressor fits tight to bracket with the four mounting bolts.
What engine?
When you say not lining up with the other pulleys, I think of forward-rearward misalignment, I don't see anything there to cause something like that on the 351. Unless the compressor had the wrong clutch/pulley assembly or something like that.
Thread Starter
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Senior User
Joined: Jan 2010
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From: Florida
No spacers of any sort on my '94 351, er, 5.8L. Three bolts hold bracket onto cylinder head, bracket has one larger clearance hole so water pump stud (unthreaded on outside end) sticks through with no interference or connection.
And compressor fits tight to bracket with the four mounting bolts.
What engine?
When you say not lining up with the other pulleys, I think of forward-rearward misalignment, I don't see anything there to cause something like that on the 351. Unless the compressor had the wrong clutch/pulley assembly or something like that.
And compressor fits tight to bracket with the four mounting bolts.
What engine?
When you say not lining up with the other pulleys, I think of forward-rearward misalignment, I don't see anything there to cause something like that on the 351. Unless the compressor had the wrong clutch/pulley assembly or something like that.
Maybe installed because of belt squeal? From I see on others....there are no spacers. Looking at the compressor from the top...it looks aprox. 1/2" - 5/8" too far forward. Right now, I have the mounting bracket off so I can get a new power steering pump and steering gear. Gear is leaking and pump is very noisy, (probably run dry). When I took the bracket off, it was flat against the head and all 3 bolts were tight. A new water pump and timing cover was installed, (by previous owner). I can see changing the water pump...but the timing cover, i don't know. I couldn't see anything wrong with it. I was thinking about trying to shim that un-threaded stud to kick the bracket back at the top. I'll know more when re-assembly starts.
Fleet Mechanic
Joined: Sep 2003
Posts: 1,716
Likes: 15
I would not do anything that puts different pressures on or torques the timing cover. The timing cover to block sealing is iffy enough on these engines.
A sanity check - I have my old seized compressor still lying on the floor.
On the top of the FS-10 compressor are two mounting bosses, that the compressor to bracket bolts go through. The mounting bosses are very square. I measured from the front face of the top front mounting boss to the back face of the pulley. It was 1.5".
Also, the 4 small-headed long bolts that hold the front cylinder head of the compressor on to its main body, the rear face of the pulley just clears the heads of those 4 bolts.
You could measure your compressor, to check the compressor mount-to-pulley offset. If you measure something well over 1.5" offset, then I wonder if it has the wrong compressor on it.
I assume (but don't know for sure) that the bracket was the same for 1993 & 1994. Both used the FS-10 compressor, but the 1994 system was R-134a, rather than R-12 of the previous years. A quick check of Rockauto showed the same compressor part number for 1993 & 1994 in the aftermarket parts biz.
A sanity check - I have my old seized compressor still lying on the floor.
On the top of the FS-10 compressor are two mounting bosses, that the compressor to bracket bolts go through. The mounting bosses are very square. I measured from the front face of the top front mounting boss to the back face of the pulley. It was 1.5".
Also, the 4 small-headed long bolts that hold the front cylinder head of the compressor on to its main body, the rear face of the pulley just clears the heads of those 4 bolts.
You could measure your compressor, to check the compressor mount-to-pulley offset. If you measure something well over 1.5" offset, then I wonder if it has the wrong compressor on it.
I assume (but don't know for sure) that the bracket was the same for 1993 & 1994. Both used the FS-10 compressor, but the 1994 system was R-134a, rather than R-12 of the previous years. A quick check of Rockauto showed the same compressor part number for 1993 & 1994 in the aftermarket parts biz.
Tuned
Joined: Aug 2002
Posts: 292
Likes: 4
There are a couple "hollow studs" between the compressor mounting holes and the bracket: I think the purpose of those are for lining up and temporarily hold the compressor in place when you insert and tighten the bolts. But sometimes those "hollow studs" got compressed and look just like "spacers". If this is the case, just take them out and throw them away instead of letting them in the way to have a flat mounting surface.
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