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Car Forum / Jaguar Cars / May 2006S-Type, Problem Starting
Hi, I have a 1999 Jaguar S-Type, with a 4.0 Litre V8. Recently I've been having battery trouble (I believe) - After being in town the car would not start. The engine would turn over weakly then the car alarm would go off. After having the car removed by a towing company to the garage, they charged the battery and all was OK again. For a couple of days anyway; then it happened again - but was at home this time. 1 hour at 11amps and it fired back into life (battery came to charge quite quickly) This morning it refused to start again. Been charging it for a total of 9 hours today (11 amp charger, but it tapers off) - the interior car lights are brighter anyway and the charger seems to think it's nearly there... but still no go!! Could it be anything else? It sounded like it was almost there, but it never started. Further attempts gave the alarm going off and weaker starter symptons along with the dials all going up and then back down? It's got petrol in it, although not that much (reserve zone, but least a couple of litres in the tank) Also; what could be causing the battery to go overnight? Is it shot? Battery is old (Original) 90Ah model. Yep. Batteries are cheap and is most likely the issue here. You could try this.. disconnect your battery after you charge it, and then re-connect it in the morning. If it is strong and starts your car easily, then I think you need to repair/replace your alternator. There are diodes in the alternator that keep electricity from flowing back into the alternator thus making the alternator a "motor", and pulling a current. In these overloaded computerized cars it would be advised to replace the battery every 2 years. Blake > Yep. Batteries are cheap and is most likely the issue here. You could > try this.. disconnect your battery after you charge it, and then [quoted text clipped - 6 lines] > In these overloaded computerized cars it would be advised to replace > the battery every 2 years. Cheers. Am getting the battery tested tomorrow. I'm pretty sure it's the battery though, since it won't start even after freshly charging. Just can't seem to deliver enough current. Even the cars clock gained(!?) a couple of hours last night! >>Yep. Batteries are cheap and is most likely the issue here. You could >>try this.. disconnect your battery after you charge it, and then [quoted text clipped - 13 lines] > to deliver enough current. Even the cars clock gained(!?) a couple of hours > last night! have you made sure that the cable connections are clean and tight , a slightly hot joint will cost you dearly > have you made sure that the cable connections are clean and tight , a > slightly hot joint will cost you dearly Yup. Someone tried to start it using one of those booster packs today and it never went. Though I suspect it might be as the vehicles own battery was pretty much dead? Seems to have been taking it's charge at the moment, as to wether it can provide enough current though!! Loz- I have a 2002 s-type, does exactly what you describe. Just had some extensive body-work done to right-rear, problem appeared about 1 week after getting the car back. Not sure if it's a co-incidence or not, but after seeing your problem described sounds like it probably is. I noticed that many of the fuses and relays located next to the battery were loose in their sockets; I re-seated them and seemed better until next day when starting problem re-appeared. Did a new battery resolve your issue? Thanks- Tom I doubt if LOZ is going to write back since his post is almost exactly one year old, however, I would bet that your problem is the battery as well for two reasons. 1) The battery going bad in an S Type seems to almost always set off the car alarm when you crank and fail to start, and with our car the car would actually try to ignite then run weakly for a second then die. 2) Body shops are notorious for killing batteries (think of how long your trunk was probably open with the light on both after the accident and while they were working on it) and then they quick charge the batteries or jump them to bring them back from flat which is usually the kiss of death for the battery. I'd try a new battery. If nothing else, if it is over three years old, it couldn't hurt anyway. Best of luck. Hazey- Thanks for the feedback (I had the same thought about Loz but figured someone else may have info as you did). The shop had the car for a month, then it sat in the driveway for a week while I was on travel. Funny, didn't have a problem for a few days, then acted up intermittently. Sometimes it starts fine, other times as described. I checked the engine-off, non-load voltage last night and it was a bit over 10.5V, so I agree that it's shot, but cause is open at this time. Can't wait to see what *that's* going to cost to replace! Since you have one as well, was wondering if you have another common issue; there's a hollow "whistling-whine" coming from below the center console, peaking in loudness around 2000RPM, and it's there whether the tranny is in park or in gear (in motion). I found out (too late) that the 2002 S has the same crap Ford transmission as in my Merc Mountaineer, which had major (expensive) issues at 40K miles, about where the Jag is now. Any thoughts? Thanks, Tom It was the battery as expected. For information, was $130 installed at Sears for 3-year warranty battery. 10.5V . . . Yup that sure is new battery time! As for your transmission thing, I really don't know. We have the 3.0, and I don't even know if that is the same transmission, and I was under the impression that the tranny is actually a Jaguar developed component and not Ford parts bin, but I culd be wrong about that. Ours doesn't whistle and never has, but what you describe sounds something like a bearing going bad. The only other thing that I could think of is the pump in the tranny, but I have never heard of one making a whistling noise. Have you tried having the transmission fluid serviced? Other than having the fluid serviced, I doubt that there is much to do except ignore it. Sorry that I can't be more helpful, but we've never had that problem, and our car has about 75,000 miles on it. Best of luck. You expect a SEVEN year old battery to hold a charge? After four years of use, even light use, the battery should be suspect #1 in such instances. Unfortunately T.G., LOZ's post is about as expired as his battery was. The post you just responded to is over a year old. |
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