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V8-5.0L

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Oil fouls one spark plug - possible cause and recommendations to repair.
Hi there. If oil is causing the spark plug on cylinder number 4 to foul out every 600 to 700 miles, then the valve guide seals to that cylinder are damaged and need replaced. The valve guide seals prevent excessive...
Question
Do I have a case against Jaguar?
Hi there. Unfortunately this is common for this vehicle. Most of the time it will need brakes before it even hits the 20,000 mile mark. As for getting the brakes done, to dissipate heat right and to provide proper braking...
Question
Transmission modulator valve is not working.
Hi there. The modulator valve is located on the back of the transmission on the passenger side. The valve is vacuum controlled. So, before you replace the valve, be sure to check the vacuum line from the engine to the...
Question
I have to replace an upper radiator hose, what steps must I take to access the hose and remove it.
Access to the hose is clear. On a vehicle of this age, if you are replacing one radiator hose, really all should be replaced, including the heater hoses, due to the inevitable deterioration of rubber products. YourMechanic does perform radiator...
Question
Parasitic draw 1983 Chevrolet Monte Carlo
Hello - if the meter reading you included is .55-.56 amps (continuously), YES, that is a large parasitic load, and confirms why your battery is going flat quickly. This problem can be diagnosed by connecting an ammeter to the positive...
Question
My wiper is electrically stuck on the lowest setting.
The windshield wiper switch is the most common cause for the wipers to stay on low intermittent wipe. The manufacturer has a technical bulletin stating the switch is the cause. The bulletin number is 15-0061 dated 4/27/2015. It is recommended...
Question
Smoke from engine and checked with nearby line lube express in petrol station. They said it's a problem with AC compressor bearing.
Hi there. The seal on the compressor to the air conditioning system has a leak and caused the oil and refrigerant to leak out of the compressor. The bearings on the compressor shaft are lubricated with the oil in the...
Question
Crankshaft pulley trows out the band and a plastic in between two pullies is chipped and Brocken I don't know what's the part name
From your description, I believe you are referring to the harmonic balancer. There is a steel center hub and an outer ring that is separated by a strip of rubber. Some models will have the pulleys and balancer made as...
Question
I hear a squeaking or chirping sound after the gear changes. What could be causing this?
Hello. A squealing noise during shifting can be caused by many different things. If it appears that the noise is happening after every shift then it is likely that the issues may be transmission related. A few common causes for...
Question
Hesitation
This may be a variety of different possibilities such as a dirty or faulty mass air flow sensor or a faulty throttle position sensor or dirty fuel injectors. The mass air flow sensor is a unit in the intake system...
Question
I have a clicking noise coming from my serpentine belt.
Hi there. To see if the idler pulley is making the noise or the crankshaft pulley is making the noise, simply remove the serpentine belt from the engine and start the engine. If the nose goes away, then a pulley...
Question
Does 4k seem reasonable to replace the wiring harness on a 2011 Jaguar XJ?
I think you should get a second opinion on this. The wiring harness should be trouble free unless something has happened to damage it. Accidents, fires, water damage, salt corrosion, or electrical overloads can damage a wiring harness, but you...
Question
Engine wont reach operating temperature
The first thing to check is to see if the cooling fan clutch is working properly. Start the engine when it is cold and rev the engine up to 1500 rpm and listen to the cooling fan to see if...
Question
It started shaking then stalled out and wouldn't start back up
This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the...
Question
Service advance trac light is on and I don't know why either please help
A traction control system diagnostic would identify the fault that has caused the warning light to set. Once the codes are read, I would first try resetting the light to see if maybe this occurrence is simply an artifact of...
Question
I have a 2000 Ford Exolorer RWD 5.0i V8 302 and I need my alternator replaced. Wondering what I need to be prepared for as far as
If the charging system was tested and the alternator is not charging and has bad diodes then it should be replaced or have it checked by a mechanic like one from YourMechanic. This way you would have a parts and...
Question
My truck will not go over 20 rpm even when reeving, but sometimes it will. would you know any reason it would do this
You would need to first to check the fuel pressure to see if the fuel pump in the tank and on frame is pumping the correct pressure and the filter is not clogged. Replace the fuel pump on frame and...
Question
Transmission filter
I'm guessing what you mean is you found the filter lying in the bottom of the transmission pan. There is a bolt that is supposed to hold the filter in place. If the filter came loose, it's because that bolt...
Question
How can convert my in tank fuel pump to an inline fuel pump?
The fuel pump is designed to work correctly with the entire fuel system. You have a fuel pressure and return lines. The older Fords used an inline fuel pump that would not last very long and Ford along with every...
Question
Sputtering problems
Hello. Engine sputtering and performance issues can be caused by many things. If you have already replaced those components then I would move on to looking at a few other things. Issues with the ignition, engine management, or fuel systems...

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