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V8-4.9L

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Question
Can windsheild fit on a 97devillie
The windshield may be different if the body changed or the regulations changed. Your best bet is to contact the dealer or an automotive glass company and get a direct answer from them to see if the replacement windshield is...
Question
Bad gas mileage, engine misfire - 1992 Cadillac Allante
There can be multiple causes, but it sounds like your fuel injection is injecting too much fuel into the engine for the amount of air it's using. Faulty temperature, air flow, or oxygen sensors, a dirty throttle body or incorrect...
Question
Car makes a whine noise when i drive from take off to about 30mph and then goes away
Based on the information you provided, it sounds like the noise may be coming from the transmission. There are a few technical service bulletins about transmission whining noises. Have a certified professional inspect the noise in person in order to...
Question
digital dash and ac
The A/C cannot be fixed if the controls are inoperative. As soon as the battery is disconnected the A/C will no longer work. The A/C leak cannot be fixed and should not be fixed with J-B Weld. The dash displays...
Question
Low coolant level light on, low oil light on
Hello. Several owners of the BMW 750i have complained of this issue. The usual fix required is a PCM reflash. The PCM flash will have to be done by BMW but it is the most likely cause and most common...
Question
I want to know what engines would fit my motor mounts properly
Hello. The biggest engine that this vehicle originally came equipped with was the 5.7L V-8. This is the 350 cubic inch version. I am not sure what modifications to your vehicle that would need to be done to make this...
Question
Power steering quit working - 1991 Cadillac Fleetwood
Hi! I'd take a look to be sure the power steering belt is still there. With the engine running, you should be able to see the p/s pump pulley turning. The reservoir should be filled to the full mark. Listen...
Question
Car wouldn't move after repairs were done - 1992 Cadillac Fleetwood
Hi! This sounds like an unfortunate situation with you Cadillac. If it failed the emissions test for running rich (high CO), the ignition systems maintenance that was performed has no impact on reducing CO emissions. Running rich means excess fuel...
Question
my power steering blocks each time I have to maneuver in a parking, not when I'm just driving
If by "blocks", you mean the wheel turns smoothly then at some point in turning it, the wheel suddenly goes stiff and is hard to turn, it it a common symptom of GM products of that era having a bad...
Question
It won't start.
The engine requires three things to run - Spark, fuel, and air. Unless there is a restriction in the air intake, air will almost always be present. fuel can be lacking for a number of reasons: 1. Bad fuel pump...
Question
My car is idling high and the brakes are stiff.
Follow the hose from your brake booster to where it hooks up to the throttle body air intake and look for it being loose or having a hose leak. This will fix the problem. If you need some assistance,...
Question
Brake sinks slowly into the floor and have no leaks on master cylinder
Hello. The master cylinder does not have to be leaking externally for it to be bad. The pedal sinking to the floor then coming back somewhat when you pump it is generally a tell tale sign that the master cylinder...
Question
Does a 1994 Cadillac Deville have a crankshaft sensor or do I need to replace the whole distributor?
Hi there. The ignition system for the 4.9L in your vehicle, should be HEI (high energy ignition) and does not have a CKP (crankshaft position sensor). The pick-up coil is inside the distributor and most likely is not the cause...
Question
Car will not start, some accessories inoperative,transmission stalls out?
Hi there. The no start, inoperative radio and turn signals could all be related to a faulty ignition switch. It could also be, a blown fuse(s) for the inoperative radio and turn signals, and the no start could be fuel...
Question
My vehicle will no longer crank. Is it the battery and what do I do? - 1991 Cadillac DeVille
Hi there. From the description you have provided, starting it 3 times in a row and on the 4th time, a no crank situation, it is possible that the battery has failed. Sometimes, a battery will fail without notice. It...
Question
How did I kill 3 alternators and 4 batteries in 6 months?
Your description suggests you may have a bad grounding problem, a short somewhere, or potentially a failing voltage regulator. The voltage regulator regulates the power charged to the battery by the alternator to ensure that the battery is not over...
Question
Serpentine belt keeps coming off
The pulleys will not just lose their alignment. For this to happen, there has been a failure somewhere. One of the most common causes I have found for this problem, on a serpentine belt system, is that the belt tensioner...
Question
Transmission actualization (updated)
Hello - If i understand you correctly, you are asking where the 5 solenoids (you refer to them as "actualizations") for this transmission (4T60E) are located. These solenoids are mounted to the transmissions valve body, which is located inside an...
Question
solenoids for cadillac
Hello - no, the solenoids do not require software updates themselves. Think of them as "On or Off" devices. They do receive commands from the transmission controller, which could have software updates, but the solenoids themselves are isolated components -...
Question
do you really need take out the motor to do the oil pan gasket or is there a way around that?
Hi there: With the 93 Cadillac DeVille V-8, you don't need to remove the engine to remove the oil pan and replace the gasket. You will have to remove lower cross member and some other front engine cover components; which...

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