Montana :: 1999 - Too Much Oil In Crankcase / CEL Came On Solid
Oct 16, 2014
I changed the oil in our 1999 Montana van (like normal) with a filter change over the weekend last. I might have overfilled the crankcase by about 3/4 of a liter. It registers about a liter too much on the dip stick. First time in 266,000 Kms. Just passed its emissions check in April; - all good. O2 has never been replaced.
On the way home from work tonight the CEL came on solid. Don't know the code or which sensor is throwing it yet, but I wondered if the excess oil might cause enough blow-by to clog the O2 sensor. Putting a scanner on it tomorrow morning.
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2002 Montana code P0304 light was flashing now solid, swapped coils no change, new plug and wire no change, found air box plugged solid from hibernating mice cleaned out thats when light went from flashing to solid still misefire. I've been told its the injector.
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I've got a 390 with a 2 barrel intake and a holley model 0-4778 carb...The carb is 6 months old....
Here's the full story...my gas gauge just stopped functioning last week...so I ran out of gas... since then things have been going down hill...
I've searched all the forums and checked the fuel pressure by putting a pressure gauge right before the carb, its reading a steady 6 psi so I don't think the fuel pump is the culprit...
The carb started leaking gas into the crankcase..I checked the float level, cleaned out the needle, and replaced the power valve in the carb...then drained the crap oil/gas and put in a new oil filter and oil...
Then started her up for 2 minutes and she does it again....all kinds of gas in the oil... I've gone thru this about 3 or 4 times now and I've spent so much $$ on oil and oil filters trying to figure this bitch out...
I am now going to tear the entire carb apart and soak it in carb cleaner and if this doesn't work I'm switching over and buying a new Edelbrock...
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So while inspecting my CV grease explosion everywhere (pretty sure I tanked an axle), I noticed my crankcase breather tube was smoking, which I found to be odd. Is that normal? It looked kind of like exhaust...
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Can't find the PCV air inlet hose to the crankcase on a 5.4 3 valve V8 2006 F150. Most PCVs let air in on one bank and out the other bank on a V engine, but this engine has hoses going from BOTH banks valve covers to the intake manifold. The crankcase is under vacuum(8 inches vacuum at dipstick tube, 6 inches at each valve cover). There should be air flow in the crankcase not vacuum. No air is getting in which results in a vacuum in the crankcase.
Once the vacuum builds up enough after a few seconds when the engine is started the engine begins to whistle where air is being sucked in(can't figure out where) at a seal or gasket. If air could get in as it should there wouldn't be a vacuum in the crankcase and the engine wouldn't whistle. Where is the air inlet hose for the PCV system on the 5.4 3 valve V8? It must be clogged or blocked resulting in a vacuum. I can't find the hose and Alldata doesn't show it.
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Pontiac van? Ours is a 1999. I had the trans rebuilt last year. The trans shop dropped the sub frame to get the trans out.
Had a front end alignment done last year too as I had the trans shop install a new rack (old one was leaking) while the sub frame was lowered.
Had to take the van in for an alignment and afterwards the steering wheel would not center. Plus, on right turns you could hear something shift a small amount and when the van straightened out, the wheel was in a different position as if the sub frame was shifting on the four bolts that attach it to the chassis. But the bolts and the isolators are tight.
The steering rack is bolted in tight, I've checked it. The front and rear bushings on the control arms are good as are the shock mounts. But the steering wheel will re-center to a new 'center' each time something shifts left or right.
I thought it was perhaps the front brakes making the noise and causing drag on the rotors causing a pull left or right, but after doing the brakes (new rotors and pads; old rotors were warped) it changed the sound a bit, but the sound and feeling that something is shifting is still there on right turns. Outer tie rods are new and tight, lower control arms are new and the shocks were replaced with quick struts around the same time as the control arms.
Is there any way to check for this sound and possible shifting, and what if any remedy is available to correct it?
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I have a 1999 Pontiac Montana that has recently started whining when I accelerate. It stops after I take my foot off the gas pedal. It usually takes about 15 minutes of driving before the whining starts. It started about 4 months ago and has recently become louder.
Van has 85K miles.
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Battery symbol light appeared on dash, After determining battery was good, I removed alternator and took it to have it bench tested at the parts store. It tested bad so I purchased a rebuilt alternator and had it bench tested before I left the store and it tested good. I installed it and it won't charge the battery. Tried a new battery...same thing. I tested the voltage at the battery and it reads 12.3 and the same with engine running. Engine runs until battery is drained. I removed the alternator and took it to a different store and they bench tested it good also!
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Recently I failed my inspection on my 99 Passat due to a blinking brake light. I was told by VW service department that this was caused by a bad ABS unit. Now I can't pass inspection without proving that my brakes are fine but the ABS module is causing the blinking parking light.
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It's a '99 Montana EWB.
OK, I know I have an issue with clean water entering the cabin and depositing itself in the channel next to the driver's side rocker where a fair number of wires are located. It filled with water last fall and I dried it out and never thought too much more about it, but knew there was water coming in somewhere. At first I thought it was the AC, but the drain is clear and running.
It's similar to the damned TSB Bulletin No.: 01-08-45-005E that is a sticky here on the forum.
This time however, I didn't check for water in the fall and this morning in a blinding snow storm at 14F the power sliding door acted up 5 minutes before my wife left for work. By the time she got to work the damned TCS and ABS idiot lights came on, and she says the sliding door attempted to open, but she got it to close.
Now the van is 20 miles away and I won't be able to look at it until I can get it home and try to dry it out again. In the driveway in a snow storm!!!
If GM had been a little more specific about the root cause of water issues mentioned in the TSB, it would make life and fixing this problem that much easier.
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'99 Montana van - EWB
I noticed the other day that when the key is turned to the proving circuit position, in addition to the warning lights on the dash illuminating, the air bag light comes on and flashes.
When the key is turned to start and released, the warning lights go out, and the air bag light flashes four of five times then goes out.
I've owned the van so long now that I'm beginning to see things that are there, but may have always been there and are quite normal.
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While driving my recently purchased minivan (a 1999 Pontiac Montana) for about 40 miles, I noticed the temperature gauge was reading high when I wasn't moving very fast, though short of what appears to be the overheating zone. Opening up the radiator revealed no coolant that I could see, but plenty of brown sludge. Looking under the oil cap revealed more brown pudding-type stuff (that wasn't there when I did an oil change when I first got it).
The lack of coolant makes me nervous that the engine might have overheating without the temperature gauge reading it properly. Is that possible? The heater was working, which searches seem to suggest means there must have been some in there.
I figure that either the intake or head gasket must be bad, so I'm nervously setting out to replace both using a gasket set like this: [URL] .....
What I'm more worried about though, is clearing the cooling system out of all the gunk. It sounds like oxalic acid and washing soda and back flushing might work? But I'm anticipating a large quantity of sludge, oily, rusty coolant water. How am I going to dispose of it all?
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99 Pontiac Montana.... I feel a shimmy in my steering wheel at all speeds....
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Ok, got a 99 Buick Century that is a cantankerous old hag. It doesn't like to start sometimes. naturally when i really need to get somewhere. The security light blinks at me for a while, goes solid, then i cycle the ignition and hope it will start. It happens with multiple keys and remote start(which has been removed multiple times because each mechanic thinks that will magically fix it). No rhyme or reason, it sends no code, the local buick dealership couldn't figure it out. I think its my security computer. what is the easiest/cheapest diy solution besides get full coverage and leave it in the ghetto with the keys and hope it ends up on cops? battery is fine, it starts normally most of the month, just maybe a handful of times a month it won't. Starter I believe is still good as well, and gets voltage when it starts. Fuel pump audibly works all the time.
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I just replaced my rotors, and tie rod ends on both sides. Now I have a clunking noise when I turn left. I also have erratic steering, the car swerves when I take a slight left, and I have to turn further to the right to get it to swerve back straight. If I hit a bump, car swerves left. Is this an alignment issue? I haven't taken it to get aligned yet, everywhere around here is closed. Could it be the Axle?
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Solid yellow engine light. Sounds and drives fine. Is it always emissions or can it be something bad? I was going to leave sunday for a 2 month trip pulling the RV. Now stuck waiting for wednesday for dealership.
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I have a 2008 F250 SD 5.4L with 335,000KM's(200,000+miles).
The engine light came on a few weeks ago and I cannot seem to get rid of it. I have also noticed when I'm accelerating hard at higher speeds/RPM's the engine light flashes?? After when I get to the cruising speed and let off the gas pedal the engine light stops flashing and stays solid. Also when accelerating hard there seems to be a hesitation, almost like the engine is choking itself. Once it gets passed the hesitation point during hard accelerating it seems fine? I have ran about 6 bottles of Seafood through the engine and gas tank. It definitely worked out but still has the hesitation, flashing engine light syndrome...I have changed the following with still no luck...
-Spark Plugs
-Coil on Plug
-Fuel Injectors
-Cam Phase sensors
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-10'C this mornin and my driver side windshield sprayer is frozen solid. After 10 mins I can see the snow and ice melt around it but still won't spray. This is typical of cars with too much space between engine and hood.
Gonna have to get out the extension and hairdryer tonight. Maybe find some kind of portable mini dryer that works off my 12v to 120v converter as a long term solution.
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Vibrates above 45 mph. Did have tires balanced . Still happens.
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Motor has a whining when driving then van quits, after a couple minutes can restart and drive.
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2007 Montana SV6 3.9. I have lots of heat when vehicle is reving 1500 -2000rpm. when idling at 700 little or no heat. recent flush, thermostat, and serpentine belt. I'm thinking, if it was the water pump not circulating enough water the car should be over heating. heat guage remains on the half mark.
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