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V8-4.5L

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Front Tires getting hot & theres a burnt smell
Hello. Most of the time if you have a caliper or two that are hanging up it is because of a bad master cylinder. The seals in the master cylinder bind and keep the master cylinder from releasing. Most of...
Question
cracked engine block
I do not think it is a cracked engine block, but a blown out freeze plug in the block or heads. Have a pressure test done on the cooling system to see where the leak is in the cooling system....
Question
Battery drains overnight - 1990 Cadillac Allante
This problem can be diagnosed by connecting an ammeter to the positive (red) battery cable, observe the current drain (likely less than 1 amp). Then, one at a time, remove each fuse, check to see if the current drain has...
Question
Anti-lock disabled message - 1989 Cadillac Allante
Most likely, this message is generated by a faulty wheel speed sensor, or fault in the brake fluid pressure pump assembly. These systems are tested each time you start your car, and a fault found in this process can disable...
Question
Gas pedal hard to apply, can't go past 55 mph
Hello. It sounds like the transmission isn’t shifting gears properly. A problem with the first, second, and/or third gear can cause difficulty with acceleration. Another possibility is that the catalytic converters are clogged causing poor acceleration. When this happens it...
Question
Tachometer malfunction
Hello. There are a few reasons why this is happening. The tachometer on the instrument cluster may be bad, and the instrument cluster may need to be replaced. There also could be a problem with the speedometer shaft and its...
Question
Smoke from the dashboard, parking lights won't turn off
Hello. It sounds like there is a short in the wiring harness of the car. If the wiring comes into contact with other wiring, this may cause a short and smoke from the dashboard. This sometimes happens due to old...
Question
Engine steam and antifreeze leak - 1976 Mercedes Benz 450SL
Hello. This sounds like the water pump, radiator, radiator hoses, or even one of the heater hoses, have started to leak. It is also possible that the gasket to the thermostat could have a leak as well. It doesn’t sound...
Question
Non start and changed cam crank and var time sensor
View the anti-theft security light to make sure it is not illuminated. If it is then you may have a problem with the vehicle battery voltage getting too low causing the system to become active when you try and crank...
Question
Grinding sound in reverse or neutral from park
Return the vehicle to the service facility; something could have been left loose, or maybe a faulty starter assembly was installed. I have heard similar complaints with different outcomes. When the vehicle is cold, check the power steering fluid...
Question
Suspension Problems
Since your issue is more noticeable when you hit bumps or potholes, your problem may reside with the spring/strut assembly. It could be a worn or broken strut, worn strut mount, or even a broken spring. If you raise the...
Question
Rough idle when A/C on
Your engine throttle body and idle air control may be clogged with carbon and engine is idling too low with A/C on causing the rough idle. Have the idle control valve and throttle cleaned out. You may also have the...
Question
Replaced alternator but still not sending power to the battery.
Hello. If your engine is able to crank all the time and will not just start, the issue is not in the battery or the alternator. A good battery charge is required in order to even get the starter to...
Question
Serious air pressure is coming out of my oil stick and oil cap. The car squeaks until I pull out the oil stick and air comes out
Hello there, thanks for writing in. A few different faults can cause your 2006 Infiniti M45 To have a pressure buildup in the engine. The most common would be a PCV valve, high oil pressure, or a vacuum leak. A...
Question
Is it possible to have my car recharged with R12 refrigerant? And if it is, would it be expensive?
It is possible, but the price of R12 is very high. It will be expensive because of the price of R12. There is an initial extra cost to convert your system to R134a, but once it's done, it will be...
Question
How is P0340 and P0328 addressed and how can any of them be affected by overheating
Excessive heat from the vehicle overheating damaged multiple sensors on the vehicle. A Check Engine Light is the only way for your vehicle to communicate that there is a problem. It is great that you have taken initiative in purchasing...
Question
Engine blown
The two engines you refer to are absolutely identical excepting one issue that you will have to confirm: the engine used in the M45 did have a left hand versus right hand option versus starter placement. So, whatever sample you...
Question
My Cadillac Seville does not stay on after I start it
This is likely related to a fuel supply issue due to the fact that it requires starter fluid to stay running. I would begin by checking the fuel pressure after replacing the fuel pump to be sure it is getting...
Question
Bad gas mileage
Hi there. Quite often a damaged catalytic converter will mask other mechanical issues that impact fuel economy. One culprit in particular is the EGR valve. The EGR valve works in conjunction with the catalytic converter to help reduce particulate matter...
Question
The transmission slips gears and the car has no kick down
If the transmission is slipping, then the vehicle will seem to not accelerate, or the vehicle will not move very fast. It seems that there could be an issue with the transmission that is causing the slippage. Check the kick-down...

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