Question about 1999 GMC Sonoma

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My 1999 sonoma gets hot when i stop, more so with the ac on.its not the water pump, the radeator is full. is it the clutch fan. if so how had is it to change, and whats the cost ?

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Its easy take shroud off and have the clutch tool of course and it about 80.00

Posted on May 16, 2009

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Ihave a 99 vw passat 1.8 ,replaced head timing belt,gear,and cover,new water pump,thermostat,and overheats very quickly.it has 2 fans,1 electric the other is driven by beltsand is with fan clutch,clut


First, Ronald is an IDIOT! DO NOT power wash the engine EVER! If the engine is really hot and you spray ice cold water on it can crack the head instantly! Also, everyone knows' water and electricity don't mix! the ignition control module is $300. A little water on that and its gone!
If your car is overheating, you may need a water pump! The one you got, may have been bad! The rule is, as soon as a car overheats, the thermostat MUST be changed! A simple test would be to remove the thermostat and close it back up! A few dollars for the gasket is all you will spend! Try and run the car without it and see if it still gets hot! If it still gets hot, check the water in the radiator or resivor to see if the water is also hot. If its hot then the water pump is working and you need to check the fans! You can run a power wire to the fan to make sure they are working. There are relays for those also! If they are not turning on, that is most likely your problem! I rebuild VW's for a living!

Aug 12, 2012 | 1999 Volkswagen Passat

2 Answers

Filled Coolant reservior and radiator Drove trailblazer at highway speed no cooling problem. When slowed down in traffic temperature increased to about 220 and higher, could hear coolant bubbling in...


If there is bubbles occurring even inside the top part of the radiator (where you have the coolant put in), you may have a leak on your head gasket. You may be loosing coolant through the engine.

Sep 15, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

My truck is a 1999 silverado z71 w/ the 5.3. its got almost 200k miles on it and has always been reliable. Last week I was hualing a jeep home on a trailer and it got hot while driving in 100 degree heat w...


What this sounds like is a bad fan clutch. The people who flushed your radiator wanted money. The fan clutch is attatched to the water pump and fan. You can borrow the wrenches you need from most auto parts stores. The fan clutch runs about $60 and you can get the one for systems with a tow package which will aide in keeping the truck cool during heavy towing operations. When you go to install the fan clutch to the pump, give it a couple turns and then start the engine. The turning of the engine will spin and lock the fan clutch right into place so you do not need the wrenches at that point. Just for removal. Let me know if you need anything else.

Aug 04, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

Alabreche@i have a 1999 sonoma v6 vortex have to change water pump how do i jam the pump from turning in order to un screw the fan?


Put a long prybar in the way of the fan blades at the base of the fin to keep it from turning.

Or, if that doesn't work, use a pneumatic impact ratchet or 3/8" impact wrench to unscrew the fan more easily while holding the fan blade with your hand and a rag.

Oct 28, 2010 | 1999 GMC Sonoma

1 Answer

How to change water pump (1997 sonoma)


The text below is from the GM Service manual 4.3L V6 Engine
Water Pump Replacement (4.3L)
Removal Procedure
Drain the cooling system. Refer to Draining and Filling Cooling System .
Loosen the water pump pulley bolts.
Remove the cooling fan and clutch assembly.

Tools Required
J 46406 Fan Clutch Wrench

Removal Procedure
Remove the upper fan shroud.
Remove the fan clutch from the water pump in a counterclockwise direction using the J 46406 .
Remove the fan clutch assembly.
Remove the drive belt. Refer to Drive Belt Replacement Remove the water pump pulley mounting bolts.
Remove the water pump pulley.
Remove the radiator outlet hose clamp from the water pump.
Remove radiator outlet hose from the water pump.
Remove the water pump mounting bolts.
Remove the water pump from the engine.
Remove the water pump gaskets.
Clean the water pump gasket mating surfaces.
Installation Procedure
Install the water pump gaskets.
Install the water pump to the engine.
Apply a sealer (GM P/N 12346004) to the bolt threads.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Install the water pump mounting bolts.
Tighten
Tighten the mounting bolts to 41 N·m (30 lb ft).
Install the radiator outlet hose to the water pump.
Install the water pump pulley.
Install the water pump pulley bolts.
Tighten
Tighten the water pump pulley bolts to 25 N·m (18 lb ft).
Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.3L.
Install the fan clutch assembly.
Fill the radiator cooling system. Refer to Draining and Filling Cooling System .
Inspect the cooling system for leaks.

Oct 01, 2009 | 1997 GMC Sonoma

1 Answer

Pulling a fan clutch assembly from a GMC 4.3 water pump?


First remove the fan from the clutch. There should be four to six bolts holding the fan to the clutch. The clutch is held on to the pump with four bolts. remove the four bolts to remove the clutch. I've included a pic of the pump to indicate the four mounting holes. Not sure if the link will work.

http://www.1aauto.com/scripts/view_full_image.php?image_url=http://images.1aauto.com/EWP/1AEWP00011.jpg&description_id=1090439

Aug 10, 2009 | 1996 GMC Sonoma

1 Answer

1998 gmc sonoma air conditioner - not cold


Check the magnetic clutch is engaged on front of a/c pump, have the motor running, a/c on and fan on high, if the centre hub is static the pump in not switched on, this can happen when the gas pressure gets low.

Aug 05, 2009 | 1998 GMC Sonoma

1 Answer

2004 Dodge 1500 4x4 with 4.7 V8 getting hot. Replaced therm, water pump and tested Radiator. Still gets hot very quick. The water is cycling thru block, but not coming back into overflow when getting hot....


Do you have anti freeze in it? did you replce the radiator cap? is the fan clutch good? is the AC condensor full of bugs and the radiator? are you low on transmisson fluid? or Motor oil? all these will cause it to get hot.

Jun 30, 2009 | 2004 Dodge Ram 1500

2 Answers

Water not circulating,we put on radeator cap water pump ,intake gasket,flush heater core,engine radeator,reservoir


check to make sure the bottom radiator hose is not collapsing. sticking together. once it sucks together its like the thermostat being closed. the faster the engine turns the it sucks together. also make sure its not the clutch on the fan gone bad. if it has one. to ckeck ,look under hood at fan ,have someone to rev engine. make sure the fan turns as fast as the engine turns . if it doesn't it's a bad fan clutch. goe put a new one on.

Apr 21, 2009 | 1993 Chevrolet Lumina

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