What causes a Jaguar XK8 battery to lose charge?

Low temperatures significantly reduce battery output, making things worse. Alarm system uses more power than you may think. Having said all that most XK’s do not suffer as yours has.

What should I do if my JAG battery loses charge?

JAG. Independents are really good, but electrics are bit of a black art. Could be worth getting it checked by professional Auto Electrician. Final & last resort is use special charger designed for maintaining battery power when cars are in storage for few weeks. I am sure That I read of someone on here that did this, problems stopped.

Why does my car battery charge but not charge?

Alternator problem occur because the alternator charges the battery when the car is running. If you jump the battery and it only remains charged for a little while, that’s a positive sign of a faulty alternator. However, it’s very important to have your car thoroughly inspected before you replace anything.

What to do if your car battery goes flat over night?

http://www.askthemechanic.co.uk/elect… If your car battery is going flat over night, you need to check for a drain, we show you two methods to do this, using a current clamp and a multi-meter. Loading…

How can I tell if my Mercedes medic battery is draining?

Check that the glove box light does not stay on when the car is parked. The easiest way to check this is to open the glove box after the car is parked for a couple of hours. Place your hand near the glove box light bulb and feel it if it is warm. Be careful not to burn your hand. Aftermarket alarm system.

Can a 97 XK8 have a flat battery?

I have a 97 XK8 with a flat battery which means I can’t access either the drivers door or the boot. The key fob will not work and using the key manually has no effect.

What should I do if my Jaguar XK8 battery dies?

Even if you can’t open either door due to mechanical problem in the locks either charge or replace the battery and then you should be back to normal and be able to unlock the doors by using the key fob.Unless you have a new – ish ” smart charger ” I would recommend disconnecting the battery before connecting the charger.

Low temperatures significantly reduce battery output, making things worse. Alarm system uses more power than you may think. Having said all that most XK’s do not suffer as yours has.

How do you change battery on Jaguar XKR-XK?

TIP: you need to undo the bottom bracket being held by two 10 mm bolts and once you have that off you can remove the 2 nuts hold the bottom part of the battery at about 0:27 you can see the 2 nuts and on the left one of the 2 bolts to get the bottom bracket out. It is important to match up the proper numbers when replacing the battery.

Are there any problems with the Jaguar XK8?

Jaguar avoided cambelt problems, but the tensioners can break and even cause catastrophic chain failure. They were improved in 2002, and a durable metal alternative was fitted from 2005. If there’s no proof of replacement on earlier units, they should be checked.

Why does my wife’s XK convertible go down?

Help My wife has a 2007 XK convertible she has only 12K miles on it so uses it very little subsequently the battery goes down from time to time The hand book says NOT to charge the battery while in the car because charging produces Hydrogen. The battery is in a very enclosed location and hard to get at.

Can a JAG battery be charged in the car?

Normally the use of a low amperage battery charger known as a Battery Tender would be just the thing to keep the battery up so the car is ready whenever you are. Obviously, Jag did not vent the battery location very well so I wouldn’t recommend charging in the car against Jag’s recommendations.

Is the Jaguar XK8 a good car to buy?

On its launch, the car was rapturously received by the press. The engine and gearbox were top of the class – XKRs were limited to 155mph, but are capable of 175mph-plus when de-restricted – as were the handling, quietness and price, but the poor low-speed ride and cramped rear seats were criticised.

What kind of carbide does a Jaguar XK8 use?

F1-derived nickel-silicon carbide (Nikasil) bore liners were used; BMW and others also adopted this process, which brought issues (now sorted) with sulphur fuel additives in early engines. The Jaguar was built to much higher quality standards than before, thanks to Ford input.

When did they change the tensioners on the Jaguar XK8?

They were improved in 2002, and a durable metal alternative was fitted from 2005. If there’s no proof of replacement on earlier units, they should be checked. Upper tensioners (x2) are fairly easy to change; the lower one is trickier, so listen carefully for any untoward noises.

How big is the battery in a Jaguar?

With the battery charged and an ammeter in the circuit I measured 2 amps with the boot lid open (and light on). This dropped to 1A with the boot lid closed then 0.8A with all electrical systems supposedly off and the car locked (but not alarmed). In this condition the car electrical systems are all still quite active.

How to remove the intake duct from a Jaguar?

Remove the intake duct. With assistance, visually observe throttle butterfly operation as the ignition is switched ‘ON’ for the first time. Throttle butterfly should fully close, then immediately open to the idle position. Did butterfly stick closed? Switch ignition ‘OFF’. Lightly press throttle butterfly with finger to the fully closed position.

How to know if your Jaguar is on or off?

Raise hood and fit fender protection covers. Remove the intake duct. With assistance, visually observe throttle butterfly operation as the ignition is switched ‘ON’ for the first time. Throttle butterfly should fully close, then immediately open to the idle position. Did butterfly stick closed? Switch ignition ‘OFF’.

How to reset the ecu-1 Jaguar car forum?

Restart the clock (where fitted) and set it to the correct time. Simultaneously press “>>” “PTY” “A.MEM” should only take 2 or 3 seconds and the radio turns on. 1. NOTE: After the battery has been disconnected it is necessary to

How to reset the battery in a Jaguar?

8 Release the foot brake. 9 Confirm that the brake warning lamp is no longer illuminated on the instrument pack and that “NOT CALIBRATED” message is no longer displayed in the message centre. 10 apply and release the EPB 5 times to ensure no error is present.

How much does a Jaguar XK8 battery cost?

The best part is, our Jaguar XK8 Battery products start from as little as $129.99. When it comes to your Jaguar XK8, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Battery product and part brands so you can shop with complete confidence.

Is it OK to disconnect Jaguar XJ8 battery?

Don’t disconnect your XJ8 battery if you can help it. – Page 1 – Jaguar – PistonHeads UK Don’t disconnect your XJ8 battery if you can help it. It can cause various relays to “stick” open and subsequently drain the battery.

How old is the battery on a JAG X308?

Some X308’s are 12 years old now, they are going to be troublesome, but thats the price you pay for having a jag. All the premium brands, Jag Merc BMW Audi etc have similar levels of electronics. Very compliacated and difficult to diagnose some faults.

What to do if the battery on a Jaguar has died?

Locate the trunk, release, and open the trunk. If the battery in your Jaguar has died or the keyfob remote will no longer work, you will need to unlock the door or trunk manually. Here you will find step-by-step instructions on how to unlock a Jaguar with a dead battery.

What to do if your Jaguar has no power?

If your Jaguar has no power, use this method to open the trunk and jump-start the battery in the trunk. The Jaguar key does not unlock the car door. The trunk will not open.

How to reset the roof on a Jaguar XK?

There is a guy on a US Jag forum , the guy who supplies the remote roof kit for the XK and he seems be a guru on roof issues. He always seems to suggest first is to hold the roof button in for at least 60 secs . Also to reset windows . if the windows are now up as you suggest then they will need to be opened.

If your Jaguar has no power, use this method to open the trunk and jump-start the battery in the trunk. The Jaguar key does not unlock the car door. The trunk will not open.

Where is the positive battery terminal on a Jaguar?

Locate the positive (+) on the batter or the jump start terminal. Connect the red clamp of a jump starter to the positive (+) terminal. Connect the black clamp of a jump starter to an unpainted bolt on the frame. Don’t connect it to the negative battery terminal.

Are there any electrical problems with my XK8 couple?

I have some electrical problems with my XK8 couple, 1998. I’ve diagnosed to the extent that two control modules aren’t functioning properly. The Electrical Manual nor the Factory Service Manual give no clue as to how to perform a test at the module level.

Why does my Jaguar XK8 convertible not go up?

As an FYI, the new tail lights are lower in voltage than the factory orginals and again, the right signal works just fine. A problem cropped up today in my 99 XK8 convertible. I was putting the top up and the latch went down before it grabbed the hook on the top. Now, the top will not go up or down nor will the back windows go up.

Is the tail light on my Jag XK8 working?

My mechanic put an aftermarket tail light on my 2005 Jag XK8. The right one works fine, but the left one, the rear turn signal does not “blink” although it sounds like it is blinking in the car very rapidly. Also, the tail light stays on constantly.

How to remove the trim panel on a jagrepair XJ6?

Remove the trim panel by lifting it from beneath the rear plastic valence (Fig. 2b) and slowly pulling it from the rear toward the front (Fig. 2c). As with the XK8, it is not necessary to remove the plastic valence at the rear of the trunk. Fig. 2b XJ6 Fig. 2c XJ6

Is there a problem with the JAG battery?

The same Jag has always had a battery drain problem. If the car is driven everyday, there is usually no problem the next Jaguar XJ8 L: The same Jag has always had a battery drain problem. Experience: 30 years of experience working with Jaguars. Independent European shop owner and technician. Hello, I’m Jason.

How to test battery drain on Jaguar XJ8 L?

Here’s a draw test procedure that I recommend for the battery drain Open your hood, and then manually re-latch the latch using a screwdriver or similar (we’re re-latching so that the alarm computer will think all latches are closed). Open driver’s door, and also re-latch.

Is there a problem with the Jaguar XJ8 L?

If the car is driven everyday, there is usually no problem the next Jaguar XJ8 L: The same Jag has always had a battery drain problem. Experience: 30 years of experience working with Jaguars. Independent European shop owner and technician. Hello, I’m Jason.

How can I tell if my JAG battery is draining?

Start with fuse 1, remove the fuse and look at the meter. If there is no change, reinstall, and move onto fuse 2. Repeat this process until you see a significant amp drop on the meter. You will then know the circuit that is drawing down the battery.

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