Top 20 2003 Oldsmobile Silhouette Questions & Answers

Take the serial number and vehicle ID with proof of ownership to the dealership of said vehicle and they can get you the key code and even make you a key to fit.

You should feel a temperature gradient across the radiator (hot at bottom, cooler at top) if the cooling fluid is circulating properly. If not, you are not getting proper circulation. All things being equal, check the thermostat again - if it was installed incorrectly or is faulty (not unusual), it is not opening and will cause this. Otherwise, you have a blockage somewhere in the system (such as a collapsed hose or blocked port at the pump).

Mode door actuator . A electric motor that controls a door that directs air flow .

Here is a suggested updated torque spec for this engine's rocker arm bolts; Rocker arms Step one: Torque to 11 ft lbs then tighten an additional 90 degrees of bolt head rotation. Some guys don't fuss with the torque specs and just get them good and tight. Either way, be careful, as the heads are aluminum. You do not want to over tighten these bolts

Depends on how many miles you have on it...

I will tell you if you tell me what type problem your having . Plus if your planning to replace it ,it does need programming . An the dealer is pretty much the only one who can do that . I know there are no more Oldsmobile dealers any more . A Chevy , Cadillac , Buick , Dealer would be my choice. I work for A Cadillac dealer an see a number of Pontiacs an Oldsmobile vehicles needing the same work . Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life. Remove the coolant reservoir retaining fastener. Remove the coolant reservoir and set aside. Remove the 3 bolts from the strut brace. Remove the left front strut brace. Loosen the two bolts the PCM cover and remove the PCM cover from the air cleaner housing. Remove the PCM from the air cleaner housing. Disconnect the PCM electrical connectors.

Most people miss the side marker bulbs. Check the right side again, notice all the bulbs that flash. Make sure the left side is flashing the same bulbs. If they are, the turn signal switch is bad. I personally would live with it. They are a pain to remove and are pricey.

Start by testing fuel pressure. If not at specs, change filter and fuel pump. Pressure should be high, probably in the 40-50 psi range, any shop could tell you specified pressure. Also check for trouble codes, use a scanner.

JOHN ,CONNECTION PROBLEM ,,CHECK BOTH CABLES MAKE SURE THERE IS GOOD CONNECTION MAKE SURE CAR YOUR JUMPING FROM IS RUNNING FOR ULTIMATE POWER ,CHECK WATER LEVEL IN BATTERY IF LOWER THAN PLATES ADD DISTILLED WATER JUST ABOVE PLATES, AUTOZONE CAN CHECK YOUR BATTERY NO CHARGE I THINK COULD BE FROZEN INSIDE?? WINTER IS VERY HARD ON BATTERIES. YOU CAN WARM YOUR BATTERY WITH AN EXTENSION CORD WITH A TROUBLE LIGHT BULB??

Bad EGR, IAC, TPS, clogged converter or muffler.

The starter should be down low on the front of vehicle. Take negative battery cable loose. Safely raise and support the front of vehicle. There are safety issues with working under a vehicle, safety is your responsibility. Remove the following.

When you turn your wheels at idle in park does your rpms pick up ?

Have a look at the outside of the front wind shield at the top drivers side for any rust or seal failure between the wind shield and metal

Go to the Crutchfield site and check just in case you are missing something. They probably sell the same radio and in a pinch you can call them and tell them you can't get it to work; someone should be able to help you out. They do offer great speakers and trim panels to make it look like a factory pro install too.

Check up under the dash beside the steering column in that area. You should be able to hear it if it works at all if the key is on and lever activated.

Depends on which one. Some are inside the transmission above the filter, and some are behind the side pan.

code po620 refers to alternator control--circuit malfunction===causes--wiring---alternator --- battery---ECM Check that the wiring is good and terminals are tight. Have a load test done on the battery to check for failing cell that will not take a charge. Ensure that the battery posts and terminals are shiny clean. Have the alternator bench tested for out put.

Do that fans run? With the A/C on? Often the relays are interchangeable, look at it, it should have a part number on it, switch it with like.......... the power door locks.......... do they still work?

Zero compression could be a lot of things, All major. Piston or ring problem, intake or exhaust valve not seating or burnt.Or problem with valves not opening at all.And so on. You need to have it checked by a good shop you trust.

check the fuel pump and regulator in the fuel manifold. Check that the injectors are getting power. check that the immobiliser is operational.