Top 20 1999 Oldsmobile Alero Questions & Answers

All petrol/diesel engines require a radiator, otherwise they oveheat.

Service engine soon light is on indicating a problem with your engine. Take it to somewhere like Autozone (it is free to check code) to see what the code and problem is, then fix the problem or the light would just keep coming on every time till it is fixed.. You can use a scanner to read and reset the light, code.

There is no Am anymore only FM, you may pick up bit but nothing good!!

crossed wires where the conection to the heater for the window is sounds like he conected the wires wrong undo them and switch them around or follow the wires to see witch wire comes from the radio to the control panel where the buttons to tur the radio and set the defrost is ad see if the wires are crossed or in the wrong places if that dont work then it might need grounded hope that works for you

Take your vehicle to a qualified repair shop . Stop trying to fix something you have no clue about . If you have to ask on here an just replace a bunch of parts ,you have no business working on it

Girls like it, boys use it, parents hate it

replace no 2 injector as plugs and stuff are seldom the reason for misfires dirty injectors or injector controls are generally the cause

One advantage us dealer tech's have over a week end warrior is that we have factory service repair information and have factory scan tool ,Tech 2 , to check data coming into the instrument cluster . Most of you probably don't even think about how that coolant temp infor shows up on the gauge , except by a coolant sensor ! High Temperature Indicator The high temperature Indicator function handles the control of the Engine Temperature Gauge Display and the red High Temperature indicator. The Powertrain Control Module (PCM) reads the Coolant Temperature Sensor, filters the messages, and sends the coolant temperature to the instrument cluster via a Class 2 serial data message. The PCM monitors the coolant sensor in order to determine a fault. The PCM transmits the Class 2 serial data coolant temperature report messages to the instrument cluster for the temperature gauge display and for the high temperature indicator control. The instrument cluster receives the engine temperature data in the Class 2 serial data message from the PCM. The instrument cluster converts this data into a temperature gauge pointer position which drives the gauge pointer. The instrument cluster also uses this data in order to determine the high temperature indicator control. The Body Control Module (BCM) looks for the high temperature indicator Class 2 serial data report from the instrument cluster and triggers a chime when the indicator is ON. Your best bet , take it to a qualified repair shop , rather then just replacing parts .

Unscrew the old one , screw on the new one , replace electrical connector . nothing to it . Videos on youtube if you need pictures .You need to remove the plastic engine cover if there is one .

Drain plug from what?

You have a crack head or blown head gasket.

You will need to replace the multifunction switch. This will require removing the steering wheel as well as the column covers.

The TPS sensor may be dirty or defective...be sure all tires are above 33 psi...

That won't help. If firing good other cylinders, then the module is good. It could be an injector problem. You need to check the spark on #1. Make sure it is sparking good, then look for air/fuel mixture problem-bad injector or something else in that cylinder affecting the air/fuel mixture so it doesn't fire good. Maybe a valve not sealing- need a compression test to check that.

If it's been sitting for that long, maybe it needs FRESH gas in the fuel system,, or maybe some critters chewed up some wires under the hood..... Could be a few things

You can get a liquid dye to put in the system. You need a UV light to scan the system for the leak it will glow green

Its possibly a dirty,or bad connection on the traction sensor. Locate the sensor, inspect and clean. Dielectric ointment helps on the electrical plug before plugging back together. Brake clean,to clean plug,sensor.

Then look at the clips on the window. The clips should be up at the bottom of the window. if one is lower, some one put them on that had a bad regulator. The clips are U/Y shaped and the window should be at the bottom of the U

As by heat only works some of the time , you mean it doesn't blow air out of the vent's . This means you probably have a problem with the blower motor or blower motor resistor or blower motor relay . Rear Window Defogger Inoperative

Exchange the rear defogger relay with a known good relay from the under hood junction block.
1. Turn the ignition switch to the ON position.
2. Press the rear defogger switch to the ON position.

Does the rear defogger grid warm? -- Yes Go to Step 2 NO Go to Step 3 2 Replace the faulty relay. Is the repair complete? Go to Defogger System Check -- 3

1. Use a fused jumper wire in order to backprobe between terminal A4 of underhood junction block connector C3 and ground.
2. Use a test lamp in order to backprobe between terminal C5 of underhood junction block connector C3 and ground.

Does the test lamp light? -- Go to Step 4 Go to Step 23 4

1. Use a test lamp in order to backprobe between terminal C5 of underhood junction block connector C3 and ground.
2. Press the rear defogger switch to the ON position.

Does the test lamp light? -- Go to Step 5 Go to Step 14

The security, antitheft or lock picture/icon is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle. This link explains it pretty well. http://www.diy-gm-security.com/