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Leaking Coolant on '02 Impala 140,000 miles

13 messages,  Last post on Jul 04, 2009 at 12:25 PM

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#6 of 13 Re: Leaking Coolant on '02 Impala 140,000 miles [02impala24] by wheresmyvette Jan 16, 2008 (8:46 pm)
Replying to: 02impala24 (Jan 15, 2008 6:00 pm) call your dealer and see if your part of the coolant leak recall for the implalas. i cannot remember the year model for the recall but i think that it was the 02's. Replies to this message: 02impala24 (Jan 19, 2008 7:00 pm)
#7 of 13 Re: Leaking Coolant on '02 Impala 140,000 miles [wheresmyvette] by 02impala24 Jan 19, 2008 (7:00 pm)
Replying to: wheresmyvette (Jan 16, 2008 8:46 pm) Do you think that hooking up the on-board diagnostics thing (OBDII) would tell me whats wrong?
#8 of 13 Re: Leaking Coolant on '02 Impala 140,000 miles [02impala24] by jnt Jan 26, 2008 (7:47 am)
Replying to: 02impala24 (Jan 16, 2008 11:59 am) Any service station should be able to pin down the leak if it is obvious like you mentioned. They could do the pressure check, visual inspection of all hoses and lastly putting dye in the coolant and let you drive around a while. That thing will help pin down the problem as far as where the leak is.   On high mileage vehicle, water pump seal would break down and cause the coolant leak out from weep hole (purposely design to show this problem). If that is the case, the auto shop would be able to determine that by looking at the weep hole for any water residue (small leak)   Before you sink $200 for the water pump replacement, at least check the following things on your own:   1. The cap on the coolant recovering plastic reservoir : is this close? 2. The radiator cap: Is this locked properly. It has marking on it telling user the locking position.   The coolant leak could be caused by :   1. Hose crack (low cost) 2. Radiator leak (moderate cost) 3. Water pump leak (moderate cost) 4. Intake manifold leak (most costly) 5. Radiator cap leak (low cost) 6. Other?   jt
#9 of 13 impala by 02impala24 Jan 26, 2008 (8:43 am)
Thanks for the reply I'll definetly look into that.
#10 of 13 Re: Leaking Coolant on '02 Impala 140,000 miles [02impala24] by ike12 Feb 16, 2008 (3:28 pm)
Replying to: 02impala24 (Jan 15, 2008 6:00 pm) with the impalas that have the 3.4L V6 they almost NEVER blow a head gasket. they ALWAYS blow intake gaskets. i have replaced about 4 doz in the last year. I work for an auto garage. If you under the throtle body where the trany and motor bolt together ill bet you will see a puddle of coolant. i have a 01 impala with 176k and my intake gaskets were replaced.
#11 of 13 Oil Filter Location on 2002 IMPALA 3.4 by bena8837 Jul 22, 2008 (9:26 am)
I have mentioned this before. The engine design on the 3.4 has the oil filter right over a wire harness and everytime the oil filter is removed, the wire harness get saturated with oil. My fear is that those wires will become brittle and the insulation will break off. Does anyone know of an adapter or a way of moving the oil filter locationor any other solution to this problem? Someone recommended putting a hose over the wires but the wires go in different locations? Any help will be greatly appreciated!   Thanks, O. M.
#12 of 13 engine Leaks by impala0169 Aug 15, 2008 (9:56 am)
Here is the site for info on possible refunds of leaks.   http://www.dexcoolsettlement.com/
#13 of 13 Re: Leaking Coolant on '02 Impala 140,000 miles [02impala24] by bobbyv23 Jul 04, 2009 (12:25 pm)
Replying to: 02impala24 (Jan 15, 2008 6:00 pm) One other possibility is the o-rings that are on the plastic elbows that go from the belt tensioner assembly (yep coolant runs through that!) and the engine. If it's a slow leak you might not notice it because it will either run off or evaporate before you can see the problem. You might try taking it to a shop to have it pressure leak tested. Mine had 105K on it when it went bad. Every mechanic thought it was the manifold (I'm waiting for that to go bad too!)

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