2003 Volvo S80 Logo
R smith Posted on Feb 13, 2013
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No heat 2003 Volvo s80

My heat doesn't work. I replaced the water pump, timing belt, thermostat and timing belt tensioner but still no heat. Does anyone know what could be wrong?

1 Answer

Thomas Perkins

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  • Volvo Master 15,088 Answers
  • Posted on Feb 13, 2013
Thomas Perkins
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Is the blower blowing air at all speeds?

5 Related Answers

Anonymous

  • 85 Answers
  • Posted on Jun 24, 2009

SOURCE: 99 Volvo S80 water pump replacement

if this helps.. I had the 1998 model S70. the water pump was driven by the timing belt. you had to take the timing belt off just to replace the water pump. it was just a simple bolt on replacement. the only difficult issue is resetting the hydraulic tensioner on the timing belt. the hydraulic tensioner has to be completely taken off and compressed VERY SLOWLY in a vise. then insert a very hard drill bit or (special volvo tool) into a keeper hole, reinstall hydraulic tensioner onto car and reinstall timing belt.very quickly remove drill bit from keeper hole in tensioner and the tensioner snaps back out to put tension on belt. and you are done.

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JOAT

  • 104 Answers
  • Posted on Oct 16, 2009

SOURCE: 1999 volvo s8 timing belt replaement

What about it??
I wouldn't try it if you don't know how, (specially if this is what is known as an interference engine). Valve timing is *very* delicate and stray pistons love to chew them up!

JOAT

Anonymous

  • 4793 Answers
  • Posted on May 12, 2010

SOURCE: had timing belt replaced in 1/2010 for 2001 volvo s80.

yes,the water pump should have been changed at the same time,BUT,and i keep saying this to all my customers,no garage will do any work that you, the client, dont ask for and if they reccomend it they are trying to rip you off.the original repairperson is not at fault in any way,as you cant see inside the pump to decide when its going to fail.....not what you wanted to hear ,but true.
best advice.is find a good mech and follow him/her around,that way it becomes personal.

Mike

  • 4383 Answers
  • Posted on Nov 12, 2010

SOURCE: volvo s80. engine warning light

Something has been detected by your engine management computer. The next step is to pull the error codes, with a scanner, and pursue those results.

Anonymous

  • 1672 Answers
  • Posted on Jun 15, 2011

SOURCE: i have a 2004 volvo s80, the driver side AC woks

Hi, Check the ventilation fins in the passenger side, it might have been stuck to "close", even when the knob/switch says "open"! The other one would be the ventilation duct might have loosen from the A/C evaporator/blower box! If you have a hard time and no time tinker, let a service garage do that for you!
Hope that helps you out!

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>

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>

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>

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  1. Install the water pump fitting, the thermostat case and the water outlet fitting.
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  9. dc45c19.jpg

    Fig. Water pump and timing belt assembly-exploded view

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1016213.jpg

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  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Disconnect the negative battery cable.
  4. Remove the drive belt and the water pump pulley.
  5. Remove the timing belt cover, timing belt, auto tensioner and idler pulley.
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e9be8c3.jpg

Fig. Water pump bolt locations

596080e.jpg

Fig. Water pump O-ring installation
  1. Clean the gasket surfaces of the water pump body and the cylinder block.
  2. Install the new water pump gasket and pump assembly. Tighten the bolts to 12-16 ft. lbs. (17-22 Nm).
  3. Install the water pump fitting, the thermostat case and the water outlet fitting.
  4. Install the auto tensioner and timing belt. Adjust the timing belt tension, then install the timing belt cover.
  5. Install the drive belt, water pump pulley and then adjust the auto tensioner.
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  10. Torque the tensioner assembly bolt to 33-36 ft. lbs. (45-50 Nm).
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  12. Run the engine and check for leaks.

TY for using Fixya; remember comment and rated this.
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Still want to shoot into a thermal runaway.

First of try to understand exactly what part you mention exactly how they work or function
  1. please place a new low speed relay as it try to make out thermal heating cool at it's initial 1st stage level of heating so that the temperature remain maintain if thus it reaches the second level of heating then the high speed relay act at that time & the speed of radiator fan increase to get thermal heating in control.
  2. the thermostat regulate the heating temperature of the engine it senses the temperature & signal to the relay the relay then react according to the temperature level of engine at low heating it operate the low speed relay & high temperature it signal to high speed relay so the engine temperature does not rise to extended level of heating or overheating.
  3. see for thermostat valve is failure if that so replace it new sometime most of the mechanic change it or cancel it so that the temperature does not rise as this thermostat help engine maintain it's ideal temperature which is required by the engine for regular or good working even at extreme climatic condition.
  4. Do check for every tensioner or Ideal Bearing as far consider on the No. of miles or Km the vehicle has run according to us the tensioner or ideal bearing are suppose to be replace at an interval of 30000 to 35000 Km. but this replacement include both Engine timing belt & tensioner & ideal tensioner bearing.
  5. A water pump flow depend on the tension of the drive belt some vehicle come with water pump which drive on inner timing belt tension & some on the fan belt or external tension belt of engine.
for further more FAQ do send in or place your problem we will sort it out till then have a safe drive & happy motoring from siddhanth.....!
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if this helps.. I had the 1998 model S70. the water pump was driven by the timing belt. you had to take the timing belt off just to replace the water pump. it was just a simple bolt on replacement. the only difficult issue is resetting the hydraulic tensioner on the timing belt. the hydraulic tensioner has to be completely taken off and compressed VERY SLOWLY in a vise. then insert a very hard drill bit or (special volvo tool) into a keeper hole, reinstall hydraulic tensioner onto car and reinstall timing belt.very quickly remove drill bit from keeper hole in tensioner and the tensioner snaps back out to put tension on belt. and you are done.
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