Question about 1998 Pontiac Grand Am

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My A/c is not cooling on my 1998 Pontiact Grand Am.

Where do I find the lower pressure hose so I can add coolent?

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It BE THENEAR THE CANISTER HAVE A BLUE CAP ON IT

Posted on Jul 12, 2009

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2 Answers

I need to know what the pipe is called that the lower rad hose hooks up to on the 1998 plymouth grand voyager mini van 3.0L, 3 speed automatic ?


if you follow the pipe does it go towards the transmission ? if so it's for the trans cooler. If not it will be the escape hose incase of overheating/to much pressure in the coolant system , if you go to a parts retailer like autozone they will have the part named on their data system , its a bit difficult without seeing vehicle to name parts . although you have given a good description, the lower rad hose carries cooled coolant so i would think it's the trans cooler but check at autozone or similar

Jul 07, 2014 | 1998 Plymouth Grand Voyager

1 Answer

Overheating


Most common reason for overheating is 1. low coolent lvl 2. faulty thermostat (stuck closed). 3. Faulty water pump preventing coolent from circulating through engine.

Check coolent lvl in radiator when engine is cool by removing the cap and filling it up till you can see the coolent, replace cap and try. If you have the proper lvl of coolent. Replace your thermostat, which is located under the thermostat housing (right underneith where your top radiator hose connects). Fill with coolent and see if that helps. Next test is to start the car and let it run till it gets to normal operating temp or near (180 to 220 degrees F) Pinch your upper radiator hose and see if you can feel a gush, or flow of water rush through the hose when you release your pinch hold on the hose, (by pinch, I mean to try and totally squeeze the hose together) If you don't feel the rush of coolent through the hose, then your waterpump is faulty. If your car quits overheating, but your heater hoses don't get hot, then they are probably stopped up at the point where they connect to the engine. Its a common area for gunk, rust, and corrosion to build up.

Dec 09, 2013 | 2000 Pontiac Grand Prix

1 Answer

How to change radiator coolent 1998 pontiac grand am se v6 no rad.cap ?


You do it thru the overflow-reserve tank. That is the pressure cap normally found on the radiator.

Aug 05, 2012 | Pontiac Grand Am Cars & Trucks

1 Answer

1999 grand prix gt overheating. Changed thermostat, water pump, upper radiator hose. Please help!


does the upper and lower hoses seem to be the same temp when car begins to overheat? ore the radiator cooling fans coming on before the car overheats? did you pressure test the cooling system and radiator cap? also may want to remove the lower hose and flush the radiator. is the check engine light on and does it run bad?

Aug 03, 2011 | 1999 Pontiac Grand Prix

1 Answer

Coolent leak from the bottom back part of the engine, it was a sudden burst that drained all coolent


sounds like a hose poped,may be a heater hose, fill cooling system and then watch for the leak, try to pinpoint where its leaking from.

Apr 16, 2010 | 1998 Toyota RAV4

1 Answer

1996 jeep cherokee larado a/c recharge


The low pressure hose is the fattest of the two.
If need a diagram let me know the engine size .

Aug 01, 2009 | 1996 Jeep Grand Cherokee

2 Answers

1997 Jeep Grand Cherokee Orvis with overheating problem


There may be coolant in the reservior but it doesn't necessarily mean there's any or enough in the main cooling system. If the radiator has a pressure cap, try replacing it with a known good one. Check and replace any coolant hoses that are kinked, or collapsed. There may be an airlock in the system - bleed it in accordance with the manufacturers instructions. Try flushing out the radiator and cooling system and then refill with the appropriate antifreeze / water mix ensuring that no air locks remain.

Jun 11, 2009 | 1997 Jeep Grand Cherokee

2 Answers

Engine overheating


The best way to flush it would be to take off the bottom radiator hose and pump water through the fill nozzle after all the coolent is out you can then hook the hose back up and replace it with new coolant.

Feb 01, 2009 | 2000 Pontiac Grand Am GT

1 Answer

1998 jeep grand cherokee cooling problem


Your thermostat is stuck closed. It needs to be changed right away. By the way the operating temp on that motor is 160 degrees so you are running hot you have just been lucky so far. Good Luck

Dec 01, 2008 | 1998 Jeep Grand Cherokee

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