Question about 2002 Volkswagen Beetle Turbo S

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My 2002 new bettle was overheating and the red thermostat signal came on. a mechanic told me i had a leak in my thermostat housing, and that it needed to be replaced. he said it would cost $200. is that accurate?

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Posted on Jan 02, 2017

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SOURCE: My 2002 Jetta GLS 2.0 is leaking coolant from near

Change the thermostat housing.

Posted on Jun 28, 2010

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SOURCE: daughters 1999 turbo bettle started

SOUND LIKE BAD THERMOSTAT REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP..BUT YOU NEED TO MIX 50/50 MIXTURE OF ANTIFREEZE AND WATER IN THE COOLING SYSTEM TO RAISE BOILING TO KEEP CAR FROM OVERHEATING.

Posted on Aug 21, 2010

tunde007
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SOURCE: my 2005 bettle 2.0 is

Hi, overheating can be caused by anything that decreases the cooling system's ability to absorb, transport and dissipate heat: A low coolant level, a coolant leak (through internal or external leaks), poor heat conductivity inside the engine because of accumulated deposits in the water jackets, a defective thermostat that doesn't open, poor airflow through the radiator, a slipping fan clutch, an inoperative electric cooling fan, a collapsed lower radiator hose, an eroded or loose water pump impeller, or even a defective radiator cap.

It seems the Beetle use an electric cooling fan that cycles on when the engine gets hot and when the air conditioner is on. So the problem is not the fan...

Since you have replaced the thermostat and there is no leak, then check for Leaky Head Gasket, Slipping Belt, Lower Radiator Hose Collapsing , Plugged or Dirty Radiator, Excessive exhaust back pressure, Overheated incoming air, Dragging brakes, Overworking the engine.....................

Posted on Apr 14, 2011

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1 Answer

Just had the head gasket replaced am losing water and there are bubbles in radiator took it back told me bubbles were normal in older cars wondering if water can leak out the thermostat


Well, I've never heard that bubbles were normal in older cars. I'd say the shop was at fault for shoddy repairs. You got it back and it's leaking or losing coolant? Something they should have checked very carefully for before calling the work finished.
Possibly, the bubbles were from overheated coolant because the level was low, after you noticed the loss of water. You asked if coolant can leak from the thermostat-there is a gasket on the thermostat housing that covers the thermostat, and that housing gasket can certainly leak. And sometimes does after thermostat replacement, since the bolts are not torqued down real tight to avoid distorting the gasket and causing a leak. If you see any sign of coolant around the thermostat housing, it may be leaking there. You would need to turn the housing bolts down about a half turn, and see if that stopped the leak. If it still leaks, you would probably need a new thermostat housing gasket. Don't know if you want to confront that shop again, but they should do the service for free, it was their job to finish the job. A small task and a two dollar gasket is about it, but someone will have to drain a good portion of the coolant first. They should have checked for leaks or losing coolant.

Apr 24, 2013 | Cars & Trucks

1 Answer

1993 Lexus ES300 keeps overheating. I was told by a mechanic that I need to locate and replace the thermostat. I've purchased a new thermostat. Can anyone help me locate the existing thermostat?


1993 Lexus ES300 3.0L MFI DOHC 6cylThe Thermostat is located:Under hood, passenger side, upper engine area, engine end of upper radiator hose, mounted in coolant outlet housing

Oct 31, 2012 | Cars & Trucks

2 Answers

2004 Audi a4 1.8T quattro has overheating engine problems but no heat is working when we turn on the heater


goodyear are tyre mechanics
water in the oil is from a hole in the housing (aluminium timing chain cover ) behind the water pump impeller or problem head
before anything was replaced , a compression test should have been done to determine the condition of the head and head gasket
next a coolant pressure test should have been done to determine if there was a leak in the cooling system ( the housing crack would have been obvious at the test
water pumps always work if there is water for them to work in and only need replacing if there is a water leak from a hole in the housing ( seal failure ) or there is a failed bearing noise
I could suggest that you find an accredited professional service center that has experience on your make of car and get a proper diagnosis before you waste any more time and money on tire mechanics

Mar 25, 2017 | 2004 Audi A4

1 Answer

My 2002 mazda 626 was overheating. Replaced the radiator (cracked) and coolant tank (leaking). Still overheating. Its the thermostat or the water pump right? Which should I check first? Where how and what...


I would check the thermostat. It should be in the housing that the upper radiator hose connects to. I would take the thermostat and put it in a pan of water on a stove, if the thermostat doesn't start to open before the water begins a rolling boil, the thermostat is probably stuck closed.

Oct 27, 2010 | 2002 Mazda 626

1 Answer

Daughters 1999 turbo bettle started overheating today. Red light appeared on dash. water gushed out when resivor cap removed. engine [while running] would not take new water, water kept gushing back. then...


SOUND LIKE BAD THERMOSTAT REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP..BUT YOU NEED TO MIX 50/50 MIXTURE OF ANTIFREEZE AND WATER IN THE COOLING SYSTEM TO RAISE BOILING TO KEEP CAR FROM OVERHEATING.

Aug 21, 2010 | Volkswagen Beetle Cars & Trucks

1 Answer

2002 chrysler voyager overheating ..intermittent


Dude!
Thermostat is in a metal housing at the end of the radiator hose where it connects to the engine.

The housing is held down by two bolts.
Remove the bolts, remove the thermostat and scrape the gasket and sealant from the housing and the manifold.

When replacing, use Permatex #2 - non-hardening gasket sealant.
...

Sep 19, 2009 | 2002 Chrysler Voyager

2 Answers

Overheating


First, is the overflow bottle filled to the line where it is supposed to be???

Second, need to check that the thermostat isn't stuck shut... follow the big hose from the radiator to the thermostat housing, it should look like this..

http://cgi.ebay.com/ebaymotors/BMW-318-323-325-328-M3-Z3-Thermostat-Housing-1991-1999-_W0QQitemZ170216855929QQcmdZViewItem

remove the hoses, loosen the bolts on the bottom of the housing...remove it and you should see the thermostat.. it will look like this


http://www.autopartswarehouse.com/mmp/bmw~318i~thermostat~parts.html

Take it inside you house, put it in a pan with water covering it, put it on the stove over medium heat...add salt and pepper to taste... errrr I mean... just watch it as the water heats up, and see if it opens, if not replace it with a new one.

even if it opens, try putting the thermostat housing back on the car without the thermostat...hook the hoses up and and start the car, let it run and see if it still over heats, if so...maybe buy some radiator flush and use it per instructions on the bottle.

Also, make sure you are using coolant and not water... most people think coolant is so it won't freeze...and thats wrong, coolant will not freeze...however, it also won't get as hot as water does or as fast.

If none of that works... could be the water pump, most have a seep hole so they start leaking when they are going bad...notice any water dripping under the car anywhere?

Othyer than that, could be a blown head gasket, or a number of other things making the car run hot.... check everything in the order I showed.. it starts at the cheapest fix.

Good Luck!!

Jul 10, 2009 | 1999 BMW 318 ti

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