www.tdiclub.com

Economy - Longevity - Performance
The #1 Source of TDI Information on the Web!
Forums Articles Links Meets
Orders TDI Club Cards TDIFest 2016 Gone, but not forgotten VAG-Com List Unit Conversions TDIClub Chat Thank You




Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

Reply
 
Thread Tools
Old January 13th, 2015, 14:03   #61
sdeck
Veteran Member
 
sdeck's Avatar
 
Join Date: Aug 2006
Location: Northern Colorado Front Range
Default

just picked it up. I got to look at the old core, but it was being sent back to VW. From the outside, it looked like really thin passages. Much narrower than the radiator. Tech said there is likely to be a recall as many start leaking, apparently from the increased pressure due to the clogging. He "thinks" it was a design flaw and "thinks" that they tweaked the design, but who knows. He told me they flushed the lines (whatever that means) and put in the new core. I noticed two things with the new core:
1. I get heat on the passenger side
2. Intermediate temp knob positions actually seem to regulate temps between full hot and cold. Before, I had to keep moving the knob around because it was either full hot when all the way up or too cold in the middle. Maybe I'm just imagining it, but regardless, the wife is happy now.
__________________
"If you make it idiot proof, nature will build a better idiot"
Considering WVO? see these:
http://forums.tdiclub.com/showthread.php?t=213288

http://forums.tdiclub.com/showthread.php?t=249556
sdeck is offline   Reply With Quote
Old January 13th, 2015, 14:13   #62
tdiatlast
Veteran Member
 
Join Date: Jan 2009
Location: Fort Worth, Texas
Default

Thanks for the update. Glad you've got your car back.

Any idea what modifications have been made for the replacement heater core? Did you/could you ask your service advisor? Hopefully there have been a redesign, but we won't know that until we can see OEM and replacement side-by-side.
__________________
2014 Passat TDI SEL DSG (returned 12/14/16)
2009 JSW TDI DSG (returned 12/15/16)
2015 Nissan LeafS ($.02/mile fuel cost)
2014 Toyota Avalon Hybrid Limited (39.5mpg C/H)
2013 Ford CMax Hybrid (39.2mpg C/H)
tdiatlast is offline   Reply With Quote
Old January 13th, 2015, 15:39   #63
sdeck
Veteran Member
 
sdeck's Avatar
 
Join Date: Aug 2006
Location: Northern Colorado Front Range
Default

I asked, but he didn't know any specifics and wasn't even 100% sure it has been redesigned. He did say that he hasn't heard of any replacements coming back or having issues, so they "must have" changed something.
__________________
"If you make it idiot proof, nature will build a better idiot"
Considering WVO? see these:
http://forums.tdiclub.com/showthread.php?t=213288

http://forums.tdiclub.com/showthread.php?t=249556
sdeck is offline   Reply With Quote
Old January 13th, 2015, 16:12   #64
tdiatlast
Veteran Member
 
Join Date: Jan 2009
Location: Fort Worth, Texas
Default

Any "replacements" have too few miles to return, right?
__________________
2014 Passat TDI SEL DSG (returned 12/14/16)
2009 JSW TDI DSG (returned 12/15/16)
2015 Nissan LeafS ($.02/mile fuel cost)
2014 Toyota Avalon Hybrid Limited (39.5mpg C/H)
2013 Ford CMax Hybrid (39.2mpg C/H)
tdiatlast is offline   Reply With Quote
Old January 13th, 2015, 18:50   #65
VeeDubTDI
Good Ol' Boy
TDIClub Enthusiast
 
VeeDubTDI's Avatar
 
Join Date: Jul 2000
Location: Springfield, VA
Fuel Economy: see signature
Default

Quote:
Originally Posted by tdiatlast View Post
Any "replacements" have too few miles to return, right?
Yes, but the problem is solved, isn't it? No come-backs!
__________________


Trusted TDI Mechanics Map || TDIClub Chat
VeeDubTDI is offline   Reply With Quote
Old January 13th, 2015, 23:04   #66
dogger37
Veteran Member
 
dogger37's Avatar
 
Join Date: May 2012
Location: PA
TDI(s): 2012 passat
Default

2012 passat with 102,500 just started having this issue as well
dogger37 is offline   Reply With Quote
Old January 14th, 2015, 10:39   #67
phat02jetta
Newbie
 
Join Date: May 2005
Location: Western NY
Fuel Economy: 48/45/43 - 47/43/37
Default

Quote:
Originally Posted by sdeck View Post
just picked it up. I got to look at the old core, but it was being sent back to VW. From the outside, it looked like really thin passages. Much narrower than the radiator. Tech said there is likely to be a recall as many start leaking, apparently from the increased pressure due to the clogging. He "thinks" it was a design flaw and "thinks" that they tweaked the design, but who knows. He told me they flushed the lines (whatever that means) and put in the new core. I noticed two things with the new core:
1. I get heat on the passenger side
2. Intermediate temp knob positions actually seem to regulate temps between full hot and cold. Before, I had to keep moving the knob around because it was either full hot when all the way up or too cold in the middle. Maybe I'm just imagining it, but regardless, the wife is happy now.
I have always had the same problem with intermediate temps, never could get a stable temperature out. I started thinking the blend door was flopping around in there. I hoping I'll see the same effect as this was one of my biggest pet peeves about this car.

I'm driving a loaner while parts are on order, they have the heater core, but they didn't have the seal/gaskets to go with it! Apparently they used to ship as a kit, but something changed and now they are separate items.
__________________

Last edited by phat02jetta; January 14th, 2015 at 11:17.
phat02jetta is offline   Reply With Quote
Old January 14th, 2015, 13:45   #68
tdiatlast
Veteran Member
 
Join Date: Jan 2009
Location: Fort Worth, Texas
Default

FYI: Just spoke with parts manager at Autobahn VW in Ft. Worth. He says there is now a "B" part number on the heater core.

I know parts numbers change all the time, but I'm now wondering if this "B" number is for a modified part?
__________________
2014 Passat TDI SEL DSG (returned 12/14/16)
2009 JSW TDI DSG (returned 12/15/16)
2015 Nissan LeafS ($.02/mile fuel cost)
2014 Toyota Avalon Hybrid Limited (39.5mpg C/H)
2013 Ford CMax Hybrid (39.2mpg C/H)
tdiatlast is offline   Reply With Quote
Old January 17th, 2015, 10:06   #69
Not_Agn
Veteran Member
 
Join Date: Oct 2011
Location: Northern IL
Default

Just picked my car up. Half way home I can feel the difference between the driver and passenger side vents. Dealer is leaning towards "it's normal". They are telling me a 20 degree difference is acceptable. Not sure I'm buying that. Running the defrost you can slide your hand across and feel the change. The loaner car (2015 passat tdi) really didn't feel that much different across the vents. Are the 2015 different as fast as the heating system?
Not_Agn is offline   Reply With Quote
Old January 17th, 2015, 15:59   #70
tyrntlzrdking
Banned
 
Join Date: Feb 2013
Location: Michigan
Default

2013 SE with about 10,000 miles. Just noticed I also have no heat on passenger side floor.
Hope they don't tell me its "normal".
Girlfriends feet became so cold she had to sit Indian style to lift them up onto seat for warmth. Not good.
tyrntlzrdking is offline   Reply With Quote
Old January 17th, 2015, 16:40   #71
Not_Agn
Veteran Member
 
Join Date: Oct 2011
Location: Northern IL
Default

They gave me the loaner back. Service manager will look into it more on Monday?
Not_Agn is offline   Reply With Quote
Old January 17th, 2015, 18:29   #72
sdeck
Veteran Member
 
sdeck's Avatar
 
Join Date: Aug 2006
Location: Northern Colorado Front Range
Default

Quote:
Originally Posted by tdiatlast View Post
FYI: Just spoke with parts manager at Autobahn VW in Ft. Worth. He says there is now a "B" part number on the heater core.

I know parts numbers change all the time, but I'm now wondering if this "B" number is for a modified part?
The new one they installed on mine had a "B" at the end of the part # on the invoice
__________________
"If you make it idiot proof, nature will build a better idiot"
Considering WVO? see these:
http://forums.tdiclub.com/showthread.php?t=213288

http://forums.tdiclub.com/showthread.php?t=249556
sdeck is offline   Reply With Quote
Old January 17th, 2015, 20:20   #73
tdiatlast
Veteran Member
 
Join Date: Jan 2009
Location: Fort Worth, Texas
Default

sdeck: Thanks for the update.
__________________
2014 Passat TDI SEL DSG (returned 12/14/16)
2009 JSW TDI DSG (returned 12/15/16)
2015 Nissan LeafS ($.02/mile fuel cost)
2014 Toyota Avalon Hybrid Limited (39.5mpg C/H)
2013 Ford CMax Hybrid (39.2mpg C/H)
tdiatlast is offline   Reply With Quote
Old January 18th, 2015, 10:46   #74
sdeck
Veteran Member
 
sdeck's Avatar
 
Join Date: Aug 2006
Location: Northern Colorado Front Range
Default

Part# 561819031B.
__________________
"If you make it idiot proof, nature will build a better idiot"
Considering WVO? see these:
http://forums.tdiclub.com/showthread.php?t=213288

http://forums.tdiclub.com/showthread.php?t=249556
sdeck is offline   Reply With Quote
Old January 19th, 2015, 06:36   #75
ABS
Veteran Member
 
ABS's Avatar
 
Join Date: Mar 2003
Location: South Central Minnesota
Fuel Economy: Fuelly
Default

Picked up my car on Saturday after the dealer finished the heatercore R&R late Friday. The car is kicking out heat like it did last winter across all the manual controlled blend settings.

Replacement part number 561-819-031-B. Tech indicated VW did redesign and changed some orifice diameters/flow path inside the core, and the "B" does in fact designate the new core design. Unfortunately, I was unable to get my hands on the core for some destructive testing. I did however, try to blow air through the old core, and it was like blowing through a cocktail straw.
__________________

In Garage:
2014 Passat SE TDI, 6-m/t, Tungsten Metallic
2002 BMW E46, 5 m/t, Oxford Green Metallic
2006 Honda Odyssey Touring
ABS is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Rusty coolant and clogged heater core sweetlou132 VW MKV-A5 Golf/Jettas 24 March 5th, 2017 17:13
'10 GOLF TDI, NO HEAT (passenger side), Driver side gets HEAT? Clogged heater core. RomanL VW MKVI-A6 Golf family including Jetta SportWagen (~ 2010-2014) 33 March 23rd, 2015 11:23
Heater Core/Blend Door/Heat Problems - Noise from Dash tug VW B5 Passat TDIs 2 April 9th, 2012 10:41
Heater core? Very little heat IanFlo TDI 101 2 October 2nd, 2007 18:09
Heat still smells like antifreeze when new heater core installed?? Magic99 TDI 101 2 June 12th, 2007 13:07


All times are GMT -7. The time now is 14:23.


Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright - TDIClub Online LTD - 2017
Contact Us | Privacy Statement | Forum Rules | Disclaimer
TDIClub Online Ltd (TDIClub.com) is not affiliated with the VWoA or VWAG and is supported by contributions from viewers like you.
1996 - 2017, All Rights Reserved
Page generated in 0.17452 seconds with 12 queries
[Output: 131.61 Kb. compressed to 110.22 Kb. by saving 21.39 Kb. (16.25%)]