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Cooling Systems -- Problems & Solutions (Radiator, Fan, etc)

561 messages,  Last post on Nov 12, 2009 at 1:37 PM

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#483 of 561 Re: 1999 Buick Regal LS [imidazol97] by imidazol97 May 08, 2008 (5:36 am)
Replying to: imidazol97 (May 07, 2008 12:18 pm) An oiliness could be from one type of leak sealer too. I recall one that did that.   That's why I'd suggest a flush in the driveway at home where you take off the lower radiator hose and run water through the radiator and then add DexCool and refill.
#484 of 561 Re: 1999 Buick Regal LS [imidazol97] by jipster May 08, 2008 (6:02 am)
Replying to: imidazol97 (May 07, 2008 12:18 pm) Thanks for the comments kiwah and imidaz. I took a look at the engine again this morning. There seems to be slight oil seepage in what I believe is the valve cover gasket, and also the lower intake. I recall when I bought the car the gasket area was only slightly damp. Now there is just a little bit more around the bolts and low spots with the heavy gooey stuff imidaz indicated. But, it has never leaked oil, nor burned oil. It is only slightly worse than when I bought the car (4 years ago).   I located what I believe to be the coolant elbow (right above the water pump) That area is damp with oil where it comes out the lower intake. Doesn't seem to be coolant though... could be coolant and oil. I never have the burning coolant smell though.   It's been about 3 years, and 20,000 miles, since I changed the Dexcool. I'll probably go ahead and drain,flush and refill as you suggested. Thanks.
#485 of 561 Copper particles found in my raditor coolant by johnjo1959 May 25, 2008 (7:06 am)
Hi I have discovered copper coloured particles in my radiator coolant does anybody know what this Replies to this message: kiawah (May 25, 2008 5:25 pm) imidazol97 (May 26, 2008 4:37 am)
#486 of 561 Re: Copper particles found in my raditor coolant [johnjo1959] by kiawah May 25, 2008 (5:25 pm)
Replying to: johnjo1959 (May 25, 2008 7:06 am) Perhaps pieces from a water pump going bad?
#487 of 561 Re: Copper particles found in my raditor coolant [johnjo1959] by imidazol97 May 26, 2008 (4:37 am)
Replying to: johnjo1959 (May 25, 2008 7:06 am) If you haven't owned the car its whole life, it's possible someone put a cooling system sealer in that has flakes that color. I think I've seen something like that on store shelves in the past as a stop leak.   Isolate some of the particles and use a sharp device to see if it's truly metal or an organic material.
#488 of 561 1990 prizm inlet water hose replace? by Rustee Jun 03, 2008 (1:18 pm)
Has anyone ever replaced the inlet water hose. It's the hose going from the thermostat housing to the pump inlet water pipe? Do I have to take the intake manifold off.
#489 of 561 car won't start by a90myers Jun 09, 2008 (3:25 pm)
I have a 93 Bonneville, 3.8 v-6.. Car has 193,000. Great car until today. I pulled out from a side road that was on an uphill grade onto a four lane highway. I was in the left hand lane when the car just stopped. At first I thought it was the battery or the alternator. Replaced the battery had the alternator checked they were fine. The car will crank but not start. Could it be the fuel pump or not getting a spark somewhere?? I had the car towed to the garage and they are waiting a day or two to check it out. HELP Replies to this message: imidazol97 (Jun 09, 2008 4:02 pm) imidazol97 (Jun 09, 2008 4:23 pm)
#490 of 561 Re: car won't start [a90myers] by imidazol97 Jun 09, 2008 (4:02 pm)
Replying to: a90myers (Jun 09, 2008 3:25 pm) Turn the key to ON. Do you hear the fuel pump run for about 3 seconds? Might not be pumping but it's running.   You can check for fuel at the shraeder valve on the fuel line on the motor. But having gas spray out does NOT mean there's enough fuel pressure.   You can check to see if injectors are firing by putting the pins of a 194 light bulb into the socket for one of the injectors. It will flash-I'm told. I have not done that. That will tell you if the computer is firing the injectors.   Check fo spark by pulling a spark wire and laying it a quarter inch away from a metal ground and crank the motor--or better put an old spark plug on it and lay the plug on the block.   My first guess woud be a crankshaft sensor. But those often restart after they've cooled.   You're needing to check for air, spark, and fuel.
#491 of 561 Re: car won't start [a90myers] by imidazol97 Jun 09, 2008 (4:23 pm)
Replying to: a90myers (Jun 09, 2008 3:25 pm) This topic may be better for getting help with the no start condition!   Bonneville starting and cranking
#492 of 561 2002 jeep cherokee running hot while ideling by dkd810 Jun 17, 2008 (5:46 am)
my 2002 jeep cherokee cooling fan does not come on. the engine temp goes up when the car is not moving. tough to ride in stop and go traffic. i checked the fuse. what my next step. what contols the fan. Replies to this message: burdawg (Jun 17, 2008 5:59 am) 0patience (Jul 07, 2008 5:06 pm)

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