: Where to find coolant test?

03-10-09, 11:00 AM
Ok Cadi members I have searched everywhere with no luck.

I have 98 Seville SLS with 86K and it has been overheating so I need to find the coolant test to make sure there are not exhaust gasses in the coolant.

Also does coolant leak from the car when there is a Bad HG?

Most of the coolant slowly very slowly drips from the driver side front back to the drivers door. I got under there and the coolant its riding the brake lines back that far.


03-10-09, 11:58 AM
With a HG, usually the coolant will leak, or rather blow, out of the surge tank, as it is being forced out due to the introduction of combustion gases into the cooling system.

03-10-09, 12:55 PM
It drips out while sitting overnight a spot at big as a softball.

03-10-09, 02:20 PM
Do some snooping around the thermostat housing and water pump cover. The brake module is just to the driver's side of them and you may get lucky, otherwise it's the PITA crossover gaskets.

03-10-09, 03:30 PM
The pump and thermo housings are bone dry!

Anyone point me to the coolant test...PLEASE!!!!!

03-10-09, 04:06 PM
Google - auto gasket leak test

03-10-09, 04:34 PM
I think Napa has it.

03-10-09, 08:34 PM
I think Napa has it.
NAPA has 5 different ones..... can you be more specific....please

03-10-09, 09:44 PM
Napa bk 7001006

03-10-09, 10:38 PM
Thank you!

03-11-09, 02:52 PM
Ok I got the test but after reading it says to put the unit in the radiator neck....well I can't do that.

How do you test it on a Cadillac?

03-11-09, 06:53 PM
Put it in the surge tank neck.

03-11-09, 10:06 PM
OK did the test and it came back positive for a HG...... now looking for a mechanic close to Charleston, WV............HELP!!!!!!!!

03-14-09, 10:36 AM
Morgantown WV, and have the same problem. If I have any luck up this way i'll let you know. May make the drive to Onterio and make an appointment with Jake. for about $1,400 us dollars plus, gas, hotel, food it may be a better deal than around here. I'll keep in touch, would appreciate if you let me know what you find down there. Atleast I know he will do the job right...:)