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VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old October 7th, 2013, 16:57   #1
Join Date: May 2013
Location: Taylorville, Illinois
Default Flushing heater core

Don't have the greatest heat output and wanted to flush the heater core out. What's the best way to get these clamps off? Kinda hard to grab on to.
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Old October 7th, 2013, 17:14   #2
riverwest auto
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Join Date: Oct 2009
Location: milwaukee wisconsin

There is actually a tool for that. Radiator hose pliers their called.
independent vw repair
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Old October 7th, 2013, 17:40   #3
Join Date: May 2013
Location: Taylorville, Illinois

Thank you!
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Old October 7th, 2013, 20:30   #4
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Join Date: May 2003
Location: Southeast Kentucky
Fuel Economy: life time average above 50 MPG on the Jetta

Unless you or a previous owner has put dirt in the cooling system, your heater core should be just fine.

I bet the louvers are hanging shut inside the heater box. Or, the T-stat is not functioning properly .... thus, engine is running well below normal!
'84 Vanagon '02 ALH TDI engine(32 to 35+ MPGs consistently) Malone Stage 1 tune. Road trip to Nova Scotia 2013. Road trip to Alaska summer 2014 & 2016, 11k & 12k miles. 80k miles on install, Jetta Cluster odometer currently at 209k miles.
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