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Mr Polson

AC vs Non AC water pump (xflow)

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Hey guys

As part of the Ghia conversion on the wagon I'm installing AC.

Now parts stores like Repco and stuff list different water pumps for A/C and non A/C, but both my regular mechanic and my old man (ex Ford mechanic) have said I shouldn't need to change it.

 

So what's the difference between the two and do I need to change the pump or not? It currently has an original Ford (non AC) water pump on it.

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The only difference would be on XD where factory A/C had the clutch fan and non A/C had a fixed fan.

Non A/C water pump (NO CLUTCH FAN) had no fan thread and a different pulley bolt pattern compared to the A/C water pump (CLUTCH FAN).

All XE and XF had Clutch fans factory, all XEs and Non A/C XFs had a steel one and A/C XFs had a Plastic one, they all used the same clutch and water pump.

Some water pumps come with different impellers but this just depends on the brand of pump.

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The only difference would be on XD where factory A/C had the clutch fan and non A/C had a fixed fan.

Non A/C water pump (NO CLUTCH FAN) had no fan thread and a different pulley bolt pattern compared to the A/C water pump (CLUTCH FAN).

All XE and XF had Clutch fans factory, all XEs and Non A/C XFs had a steel one and A/C XFs had a Plastic one, they all used the same clutch and water pump.

Some water pumps come with different impellers but this just depends on the brand of pump.

 

XD 6 cylinder's with A/C had the 7 blade "flexblade fan" while non A/C models used the 4 blade fan. The only XD models to be fitted with the clutch fan were V8 models. My XF ute is a 1992 model and it had the plastic fan instead of the steel, Ford must've run out of the steel ones and made the plastic ones as standed fitment.

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XD 6 cylinder's with A/C had the 7 blade "flexblade fan" while non A/C models used the 4 blade fan. The only XD models to be fitted with the clutch fan were V8 models. My XF ute is a 1992 model and it had the plastic fan instead of the steel, Ford must've run out of the steel ones and made the plastic ones as standed fitment.

 

 

Now that I think about it I had an early cast iron XD Ghia with factory A/C and it had the 7 blade flex fan, but I also had a febuary 82 alloy head XD GL with what looked like factory A/C (York compressor, 2 belt water pump, A/C, and ALT pulleys) and it had a steel clutch fan, it could have been original (looked original) or it could have been changed at some point.

I looked in my Factory XD manual and it does not show clutch fans on 6 cylinders only on V8s, like you said.

Maybe the GL above had XE stuff on it been a very late XD.

 

My last van was a 89 XF and it had a steel fan when I bought it, I ended up changed it to a plastic one.

By 92 Ford were probably fitting what they had around, as the XG was close to been released.

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XD 6 cylinder's with A/C had the 7 blade "flexblade fan" while non A/C models used the 4 blade fan. The only XD models to be fitted with the clutch fan were V8 models. My XF ute is a 1992 model and it had the plastic fan instead of the steel, Ford must've run out of the steel ones and made the plastic ones as standed fitment.

 

Mark I thought your ute had AC when you got it but you removed it?

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