[W126 Coupe] PAG VISCOSITY FOR NIPPONDENSO 10P?

[Dick Spellman]

Hi Steve,

Thanks for the sticker info that also provided total fill requirement 
although the gauges and temp may provide a more accurate fill based on 
pressures..  I'll use PAG 46 since it's readily available.

Take care,

Dick

Steve Nervig wrote:

>

> On Jun 14, 2008, at 7:17 AM, Dick Spellman wrote:

>

>> Just need to confirm that the Nippondenso Compressors on MB use PAG 

>> 46 when operating on R-134A.  Can anyone for certain confirm this?

>>

>> I am just finishing up the emergency replacement (thanks again 

>> Jonathan) of condensor, R/D, Exp. Valve, senders and seals on the 86 

>> 300SE started early this am.  It had a very slow leak (1 year) on the 

>> edge of the condenser where this car was once impacted by a 100lb 

>> dear.  Finally got to the point where replacement was needed the 

>> other day.

>>

>> So, I'm ready to button things up, pull a vacuum and recharge once 

>> again.  It's been running r134a for five years now and vent temps 

>> normal at max were 47F and with this leak worsening it was 

>> approaching 60F when I checked pressures only to learn the Spring 

>> charge was already on the way out and the dye was most apparent where 

>> the previous accident had occurred.

>>

>> Anyway, PAG 46 for Nippo 10P?  Thanks in advance.

>>

>> Regards,

>>

>> Dick

>

> Hi Dick.

>

> This chart suggests that 46 is the correct viscosity:

>

> <http://www.compressortech.co.uk/downloads/CT_Pag_Oil_Reference_Chart_05.pdf> 

>

>

> For what its worth, the R-134a tag on my car says to use "Densooil 8."

>

> Regards,

> Steve

>

>

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