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Steam/Smoke


lpk34

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Is it common to see alot of steam coming from the Northstar Engine when its 20 degrees out? I just replaced an old waterpump.....i am not geting an engine overheating message on the dash either. I dont smell antifreeze or anything. No leaks are showing up either.

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Out of the exhaust, sure. Out of the engine itself...no. Not sure what, exactly, your question is.

Jason(2001 STS, White Diamond)

"When you turn your car on...does it return the favor?"

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What would cause steam coming from my engine without overheating the engine? Could it be because i havent driven the car for a few days? Doesnt need oil, doesnt need coolant...everything is full.

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It could be the spilled antifreeze from the waterpump job baking off. Does it have an antifreeze smell to it?

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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Good point....that could definitely be what it is.......It happened every now and then before i got my waterpumped changed. I was running the heater this morning and i didnt smell any antifreeze when the heater was going. If it does happen when i go home tonight, i will defnitely try to get a good whiff of what is coming out of the hood.

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alright, drove my car home with no steaming or coolant smell. Burning off coolant that has been leaked....does that happen often? My engine steamed a litte bit the same way before i replaced my waterpump...which was causing coolant loss.

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alright, drove my car home with no steaming or coolant smell. Burning off coolant that has been leaked....does that happen often? My engine steamed a litte bit the same way before i replaced my waterpump...which was causing coolant loss.

It will only steam when antifreeze, oil, power steering fluid, brake fluid, or transmission fluid would be spilled on the engine. My guess is that the reason it steamed before is due to the leaking waterpump. ;):P

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This is from a 1998 FSM, but I'm guessing it's likely the same as yours.

**********************************************************

Circuit Description

The body control module (PZM) determines the fuel level by calculating the resistance of the fuel level sender circuit. The PZM then sends the fuel level over the class 2 serial data line to the modules that require the data.

Conditions for Setting the DTC

DTC B0533 does not set if DTCs B1982 or B1983 are current.

The PZM determines that battery positive voltage is present in the fuel level sender circuit.

Action Taken When the DTC Sets

The PZM sends a class 2 message to the PCM that the fuel level is too low.

The PZM sets B0533 as current.

Conditions for Clearing the DTC

When the PZM determines that battery positive voltage is no longer present, the PZM changes the DTC to history.

The DTC clears after 50 consecutive ignition cycles if the condition is no longer present.

post-416-1200550425_thumb.jpg

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There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises

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Here's the Troubleshooting Tree:

Step

Action

Value(s)

Yes

No

1

Was the Body Control Module Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Body Control System

2

Turn ON the ignition switch.

Clear any DTCs.

Turn OFF the ignition switch.

Turn ON the ignition switch.

Is the DTC still present?

--

Go to Step 3

Go to Diagnostic System Check - Body Control System

3

Disconnect the body control module (PZM) connector C1.

Turn ON the ignition switch.

Measure the voltage at connector C1 terminal B12 to ground.

Is voltage present?

--

Go to Step 4

Go to Step 5

4

Repair the short to battery positive voltage (B+) on CKT 30 (PPL) or CKT 552 (BLK).

Is the repair complete?

--

Go to Step 6

--

5

Replace the PZM. Refer to Body Control Module Replacement .

Is the repair complete?

--

Go to Step 6

--

6

Turn OFF the ignition switch.

Reconnect or install any connectors or components that were disconnected or removed.

Turn ON the ignition switch.

Clear any DTCs.

Is the repair complete?

--

Go to Diagnostic System Check - Body Control System

Posted Image

There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises

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alright.....again everyone who responded to my question was right. There hasnt been anymore steam from the engine. Something funny did happen though this morning when it was 15 degrees out. I went to start up my car and when i was scraping off the ice on the windows on the passenger side there was a little puddle like directly below the overflow tank. I am coming back to work this afternoon and the low coolant light came on AGAIN. The car has been running so smooth since the waterpump was replaced.

I think i might have a bad radiator cap. About a week before i took my car into the shop i lifted up my hood and when i did this the radiator cap popped off and fell inside the engine. The engine was cold at the time because i hadnt gone anywhere yet. I was able to get it and put it back on.......Is it possible that i have a bad radiator cap?

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More likely that it was not put on properly. There are two stops in it. Press down on it with the palm of your hand as you turn it. There is an arrow on it for alignment.

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So i got the waterpump replaced about 3 weeks ago and i have now had to fill my antifreeze 3 times since. when i park the car there is smoke/steam coming from the drivers side of the engine...smells like burning antifreeze. Not only has that started again, but now it takes me 2 - 3 turns of the ignition before the car even starts.....sounds like it wants to catch but wont. Cant wait to take my car to the dealership monday to see whats wrong now and pay another arm & leg to get it fixed.

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