Question about 1986 Volkswagen Golf

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1986 VW Golf GTI 1.8 SOHC cooling issues, and heater blows cool

I bought this car because my Saab was totaled due to a rearending. I did a full tune up on the car with all the plugs, wires, cap, rotor, air filter... so it runs great. I changed the thermostat because i though it would help the heater blow hotter and because it took a long time to heat up. Since i changed the thermostat the temp will constantly sit at just before overheating. Still no heat in the car. Changed the thermostat again. got a hose leak, besides the point... still runs hot. Put a Volkswagen thermostat in. Fixed leak. Installed new resevior cap. Still runs too hot! Water pump is clearly circulating the fluid when the cap is off, i see it squirting in there. radiator fan turns on every now and then, but the guage is still too hot. I dont know what to try now... Any ideas guys? Thanks!

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  • spectre862 Dec 29, 2008

    Propblem was the heater core, and the temp sensor, issues were taken care of!

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  • 345 Answers

Try changing cooland temp sender,your heater matrix maybe blocked(common)what temp is it running at have you checked it with a gauge?

Posted on Dec 29, 2008

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1 Answer

I just did an oil change on my 2007 vw gti and the service now light is still on. I am wondering how to reset it.


It is not possible to have that reset or turned off "Service Due!" without using a diagnostic scantool connected to the data link connector of the car. This is the only one way to reset service due light on 2007 VW Golf GTI.

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1 Answer

Firing order diagram for 94 vw gold


For the 1994 VW Golf:
I do not know if you have the 1.8L SOHC In-Line 4-Cylinder or the 2.0L SOHC In-Line 4-Cylinder; however I have included both below:

For the 1.8L SOHC In-Line 4-Cylinder
Firing Order:
1-3-4-2
Cylinders:
..........(back).........
|...1....2....3....4...|
..........(front)
Distributor:
...(back)
(+)....1
...2.........3
........4...(+)-screw

For the 2.0L SOHC In-Line 4-Cylinder:
Firing Order:
1-3-4-2
Cylinders:
..........(back)..........
|...1....2....3....4...|
.........(front)
Distributor:
......(back)
.....2.......1
(+)............(+)-screws
.....4.......3
......(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

May 27, 2010 | 1994 Volkswagen Golf

1 Answer

I want to now if its true about the problems with the 1.8 turbo GTI vw about the oil pressure


The 1.8 had some issues with buildup of oil sludge in the engine due to the amount of heat from the turbo.I would suggest that if your having oil pressure issues to have the oil pan removed and clean the sludge from the engine. Also change your engine oil to a full synthetic such as royal purple or mobil 1.A k&n oil filter works well also.

Jan 27, 2010 | 2000 Volkswagen Golf

1 Answer

Engine cutting off


change the crank sensor

Jun 28, 2009 | 2000 Volkswagen Golf

1 Answer

Wiring diagram for fuse board


This info is in the Shop manual - VW or Helms out of Detroit. You could also search the web forums.

Regards


Doug

Jun 05, 2009 | 1986 Volkswagen GTI

1 Answer

1986 VW Golf - blows cold air out vents


add coolant....if that doesnt work...check the thermostat...then if its not that its the water pump

Jan 14, 2009 | 1986 Volkswagen Golf

1 Answer

1986 VW Golf heater blows cold air


The heater in your car depends upon a flow of hot coolant going through the heater core in order to get hot air into the car. If the heater core is partially plugged, it will restrict the flow. If you have a head gasket that is putting exhaust into the cooling system, it will eventually get into the heater core. When this happens there is no coolant in the heater core to make the air warm. If the water pump vanes have corroded away the result will be very poor coolant circulation causing the heater to not blow hot air. If your car is equipped with a heater control valve that is not functioning properly, the coolant flow will be restricted. One or a combination of these factors is likely the culprit in your case.
if the car is not overheating, the thermostat is working fine.... replace or flush the heater core multiple times to try and eliminate sediment build-up.

Jan 14, 2009 | 1986 Volkswagen Golf

1 Answer

No heat or AC in MK4 Golf GTi


The only common faulf is that the heater motor resistor has burnt out or corroded due to a water ingress . The ac take a control feed from the first position resistor when the fan position 1 is selected . Regards VW Audi Tech

Dec 19, 2008 | 2000 Volkswagen GTI

1 Answer

Volkswagen golf warning light


Hi my mane is Bruno and I have a1996 vw golf III gti, when i press the clutch the 1st gear only goes thriugh if I switch of the car, and sometimes is very hard to manage the gear

Sep 02, 2008 | 1986 Volkswagen GTI

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