Hi there. The Northstar Engine by Cadillac is notorious for internal leaking from coolant passage to combustion chambers. A block test is not always a certain make or break procedure. The engine would need a wet magna flux test done...
Hello. A no start condition can be caused by many things. A few common causes are issues with the fuel, ignition, or engine management systems. It may be possible that one of the components to these systems, such as the...
This may be related to a faulty starter solenoid. The starter solenoid is located on the starter and has internal electrical contacts that transmit electricity to the starter. When this fails, it may cause a clicking sound and will not...
Your vehicle has two different air intake modes: outside air, and recirculated air. To switch between the two, press the recirculation button on the climate control settings. When the indicator comes on, the system is in recirculated air mode, and...
If you are losing coolant then you do have a leak somewhere. If when pressure testing there is a loss of pressure but no external leaks then you have an internal leak. You will need to remove the spark plugs...
You may have an engine or transmission problem and would need to have a mechanic like one from YourMechanic to do a complete diagnosis to isolate the cause of the problem.
Hi there: As much as we'd like to help find a reason why your vehicle is having trouble, we need a bit more information from you in order to correctly diagnose this issue, including make, model, year and miles of...
The most common failure for this problem is the blower control module (also known as the linear power module). The module should be replaced with a new one, after which you may notice the blower speeds higher than they were...
Hi there. It sounds like the reverse input gear has ground off and now the high gear which is for direct drive of overdrive is engaged. I recommend seeking out a professional, such as one from Your Mechanic, to help...
Hi there. Unfortunately, we are unable to assist with aftermarket upgrades and tech questions as you've listed above. We only offer OEM service, tips and maintenance suggestions for cars, trucks and SUV's sold in the US. Thanks for contacting us...
A tutorial on cylinder honing (and grit size recommendations) is at this link. For ring gap recommendations, please see this link or the Factory Service Manual for your vehicle. If you have not honed cylinders in an engine block before,...
The cost to restore your suspension to stock condition can vary greatly. Your geographical location can affect parts pricing and availability, labor costs, etc. The most accurate way to price this would be to have the vehicle inspected by...
You will need to have the rear brakes checked first to see if brakes are worn down to metal. If brakes are okay then you will have a problem in the rear axle bearings and a mechanic can isolate the...
Modifications to vehicle brakes is not something we can help you with due to safety reasons. I can tell you that if the ABS is not active or does not work then the brakes will revert to normal brakes as...
The noise you are hearing is the timing chains rattling till the oil pressure builds up and applies pressure to the timing chain tensioners. The manufacture has come out with updated parts to correct the problem. The problem is this...
There can be a variety of reasons as to why your Mazda Millenia will crank but not start. We can eliminate the starter and battery as a concern, since we know from the description that it cranks, therefore I would...
Hi there. Usually if the engine starts to overheat it won't damage your cylinder heads unless excessive overheating has occurred. However, if the engine overheated, coolant that may have spilled over may have caused an ignition system issue that's preventing...
Hi Juan. Thanks for contacting us tonight. Typically this issue happens because the electrical circuit from the ignition switch, to the starter is not completed, so when you let go of the key in the forward position, power will stop...
Check to see if there are any stored diagnostic trouble codes. Be sure you have a fully, 100% charged battery that passes a load test. Confirm that the engine immobilizer system (security system) is not activated thus preventing the car...
Hi there. From the description you have provided, the most likely cause is, the fuel pressure regulator is leaking. Removing the vacuum hose to the fuel pressure regulator and turn the key to the on position (engine off), this should...
Hi there. The engine cooling fan is controlled via a relay by the engine computer. Fuse 57 needs to be checked along with the cooling fan relay as soon as the fan should be initiated. Voltage needs to be checked...
Hello. I would need to know if all of these went out at the same time. I also need to know if anything led up to this occurring. Most of the time when this many circuit fail at one time...
I recommend inspecting, then cleaning the throttle body if any deposits are found. It's important to do this with key off and disconnect the electrical connector to throttle body. Do not put your fingers in there until it is connected....