Overheating in cold weather?

Asked by Dec 21, 2009 at 11:40 PM about the 1997 Subaru Legacy 4 Dr L AWD Sedan

Question type: Maintenance & Repair

Help!  
The car runs fine in town. When I go up skiing and return home I have problems. The car heats up normally for the
first mile or two. Then when I start heading downhill (2000 ft), the heating system stops working. Long downhill trips
seem to be the problem!  The car heat and defroster stop working and start blowing cold air!  When I get down to level
ground the car temp sensor indicates the car is overheating, but still the heater and defroster are blowing cold air!  I
have found that i need to stop the car and turn it off for 5-10 minutes before the heater and defroster begin working
again and the car temp sensor indicates a normal temp. What is going wrong? I have driven in the mountains all of my
life and I have never heard of this!

4 Answers

10

hi there. i just joined this forum to respond to this question. well i dont really have the answer but i would just like to say i have almost the exact same problem with a subaru legacy. no heat and overheating engine. i also get lots of air in the cooling system and i dont know where its coming from. i will be driving it and all of a sudden the heat will be gone and the engine temp will spike. I HATE IT to say the least. its also very cold here as of now. i dont know how popular these forums are but i would really like to get a response from anyone.

1 out of 1 people think this is helpful.
40

the years 1997-2000 approximately 2.5 liter have a problem with the piston ring inserts. We had ours go out at about 98,000miles. The sleeves slip a fraction and they will bigin to pump air into the cooling system causing overheating. The dealer took our engine out and put on a head without sleeves. The cost was $4500/ Now it is like a new car. A dealer will be able to tell you the exact years. They may be able to do a test. However I think they just took ours apart.

1 out of 1 people think this is helpful.

Sounds like you need a new thermastat, no heat when thermistat is bad/closed try runnibg the car in idle with the heat on!

5

Everyone is always blaming the head gasket. I just put in a 30k motor from Japan and it came with this problem. Above Auburn CA is over heated and no heat. Had to pull the thermostat just to get back to Sac from Reno.

Your Answer

Add photo

Related Questions

Legacy

Looking for a Used Legacy in your area?

CarGurus has 17,121 nationwide Legacy listings starting at $1,200.

ZIP:

Search Subaru Legacy Questions

Subaru Legacy Experts

#1 Anthony_60
Anthony_60
Reputation 1,020
#2 Nick Eidemiller
Nick Eidemiller
Reputation 680
#3 dandyoun
dandyoun
Reputation 600
View All

Related Models For Sale

Used Subaru Impreza
218 Great Deals out of 7,021 listings starting at $1,795
Used Subaru Forester
356 Great Deals out of 20,159 listings starting at $1,200
Used Honda Accord
1,165 Great Deals out of 77,424 listings starting at $969
Used Toyota Camry
1,439 Great Deals out of 99,763 listings starting at $700
Used Honda Civic
1,124 Great Deals out of 64,640 listings starting at $1,195
Used BMW 3 Series
1,773 Great Deals out of 40,799 listings starting at $1,250
Used Audi A4
330 Great Deals out of 12,876 listings starting at $2,000
Used Honda CR-V
1,247 Great Deals out of 74,489 listings starting at $1,999
Used Toyota Corolla
1,310 Great Deals out of 67,492 listings starting at $1,399

Used Cars For Sale

2017 Subaru Legacy For Sale
11,166 listings starting at $20,899
2016 Subaru Legacy For Sale
15 Great Deals out of 898 listings starting at $16,695
2015 Subaru Legacy For Sale
33 Great Deals out of 809 listings starting at $10,995
2014 Subaru Legacy For Sale
52 Great Deals out of 1,087 listings starting at $9,990
2013 Subaru Legacy For Sale
38 Great Deals out of 736 listings starting at $7,995