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03 Sable Duratec - no heat #5044260
03/15/19 06:30 PM
03/15/19 06:30 PM
Joined: Feb 2013
Posts: 1,249
Prospect, KY
spk2000 Offline OP
spk2000  Offline OP

Joined: Feb 2013
Posts: 1,249
Prospect, KY
Finally got my new used 03 sable with the 24V duratec. Driving it home though proved to have no heat. Not sure why yet. Any thoughts what to check first.

Also the common door ajar prox sensor failure is there. Means dome lights are on for about 1 minute.

Other than these 2 issues so far car drives like new.
$1,200 for an 03 with 72,000 miles on it. Should last a little while and no car payment


96 Grand Marquis
01 Sable LS
02 Montero
Re: 03 Sable Duratec - no heat [Re: spk2000] #5044281
03/15/19 06:45 PM
03/15/19 06:45 PM
Joined: Apr 2009
Posts: 391
Maryland
walterjay Offline
walterjay  Offline

Joined: Apr 2009
Posts: 391
Maryland
Maybe bad thermostat

Re: 03 Sable Duratec - no heat [Re: spk2000] #5044290
03/15/19 06:53 PM
03/15/19 06:53 PM
Joined: Jun 2008
Posts: 279
Minnesota
bmod305 Offline
bmod305  Offline

Joined: Jun 2008
Posts: 279
Minnesota
plugged heater core. Very common on Taurus/Sable. Get the car up to temp and then feel both hoses-they should be both hot. If not, plugged. I used to flush my son's Taurus twice a year when he owned one. All the casting sand ends up in the core. Looks like kitty litter when you flush the core.

Dave


2019 Equinox 2.0T
2007 Grand Prix 3.8na
Re: 03 Sable Duratec - no heat [Re: spk2000] #5044305
03/15/19 07:04 PM
03/15/19 07:04 PM
Joined: Jun 2003
Posts: 18,416
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline

Joined: Jun 2003
Posts: 18,416
Deplorable in apple valley, ca
Ya those plug heaters. The hose assembly has a bypass so the water takes the easy way in stead of going through the heater. Pull the hoses off and flush it.


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Re: 03 Sable Duratec - no heat [Re: spk2000] #5044328
03/15/19 07:23 PM
03/15/19 07:23 PM
Joined: Aug 2013
Posts: 3,095
Central Maryland
HangFire Online content
HangFire  Online Content

Joined: Aug 2013
Posts: 3,095
Central Maryland
Had to have my 99 Taurus heater core back-flushed at least once a year if I wanted heat. I was used to Fords having enough heat to roast hot dogs, what a disappointment that car was, in so many ways.


Various musings: http://hangfire.net
Re: 03 Sable Duratec - no heat [Re: spk2000] #5044335
03/15/19 07:31 PM
03/15/19 07:31 PM
Joined: Apr 2012
Posts: 6,287
MA
Wolf359 Online content
Wolf359  Online Content

Joined: Apr 2012
Posts: 6,287
MA
I'd go with either heater core or blend door.

As for the door ajar sensor, those get rusty. I usually just spray them and work them free til the next time.

Re: 03 Sable Duratec - no heat [Re: spk2000] #5044495
03/15/19 10:02 PM
03/15/19 10:02 PM
Joined: Aug 2017
Posts: 798
MN
14Accent Offline
14Accent  Offline

Joined: Aug 2017
Posts: 798
MN
Heater core flush. The connections are an absolute PAIN to get to on a Duratec.

Top tip:

At 16 years old and 72k miles, I can almost guarantee your rear bank ignition coils are getting tired. If I were you, I would pull the intake, replace the gaskets, replace the plugs, replace the rear 3 ignition coils, and do a coolant flush all at the same time. There's WAY more room to work with that big honkin' intake plenum out of the way.

I can get the intake off a Duratec in about 20 minutes. It's well worth your time.


2013 Chevrolet Volt - Saves enough in fuel to pay for itself!

2003 Cadillac Seville STS - The winter "beater", it uses the Volt's fuel
Re: 03 Sable Duratec - no heat [Re: spk2000] #5044500
03/15/19 10:07 PM
03/15/19 10:07 PM
Joined: Apr 2008
Posts: 39,148
Ontario, Canada
OVERKILL Online content
OVERKILL  Online Content

Joined: Apr 2008
Posts: 39,148
Ontario, Canada
Check the coolant level. If it is low, you'll have no heat.


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2016 Grand Cherokee SRT - Castrol Edge 0w-40, FRAM Ultra
Re: 03 Sable Duratec - no heat [Re: 14Accent] #5044565
03/15/19 11:21 PM
03/15/19 11:21 PM
Joined: Apr 2012
Posts: 6,287
MA
Wolf359 Online content
Wolf359  Online Content

Joined: Apr 2012
Posts: 6,287
MA
Originally Posted by 14Accent
Heater core flush. The connections are an absolute PAIN to get to on a Duratec.

Top tip:

At 16 years old and 72k miles, I can almost guarantee your rear bank ignition coils are getting tired. If I were you, I would pull the intake, replace the gaskets, replace the plugs, replace the rear 3 ignition coils, and do a coolant flush all at the same time. There's WAY more room to work with that big honkin' intake plenum out of the way.

I can get the intake off a Duratec in about 20 minutes. It's well worth your time.


Mind as well replace the gaskets while you have the intake off and do the PCV. Replace the DPFE while you're back there and check the front and rear radiator hoses, the one in the back tends to rust out and the one in the front is a special Ford type with a weird connector on it. Mind as well change out the PS fluid also, it's just Mercon V and Supertech is fine for it, just use a $1-$2 turkey baster to suck out fluid from the reservoir.

Re: 03 Sable Duratec - no heat [Re: spk2000] #5044650
03/16/19 06:42 AM
03/16/19 06:42 AM
Joined: Feb 2013
Posts: 1,249
Prospect, KY
spk2000 Offline OP
spk2000  Offline OP

Joined: Feb 2013
Posts: 1,249
Prospect, KY
Thanks everyone.
There has already been alot of maintenance done to this car so I hope it's not a lemon. It has had 2 set of plugs, 2 coil packs, transmission pan dropped and fluid change, many oil changes, front brake pads, front rotors turned, set of Big O Euro tires on it.

Blend door was replaced a long time ago as there was a no heat issue. Coolant level checks good.

I will probably do the heater core flush. Youtube has some videos to help.


96 Grand Marquis
01 Sable LS
02 Montero
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