~ Auto Buzz ~: Piston Slap: Are you Jagsperienced?

Monday 27 April 2015

Piston Slap: Are you Jagsperienced?



Jaguar-X-Type-033

Allen writes:

Sajeev,

Hopefully you can offer some light at the end of the tunnel for an issue that a friend has with her 2004 Jag X-type. The car is in great shape for its age and all was well until the bad news came regarding the transfer case. The car recently started acting up and the local Jag dealer diagnosed a failed transfer case with a part price of 3,600 with 6+ hours of labor.

I’m not Jagsperienced so I have to take their quote at face value.

Do you know of any resources on a failure of this type? The failure occurred virtually overnight and with the value of the car, it seemingly is a death sentence for what is an otherwise healthy car.

Any wisdom you can offer would be greatly appreciated.

Sajeev answers:

Explain more about this “acting up” before the car needed to go to the dealer.

Allen writes:

Literally overnight: rough, jerky acceleration closely followed by garbage can full of pistons sound and lack of drive. I had changed the plugs the week before. During the test drive after the plugs, I only heard a couple of rough clashes that I wasn’t even sure were from that car because they didn’t repeat and I was in traffic at the time.

Sajeev answers:

Ah-ha!  This problem?

Click here to view the embedded video.

I reckon this happened because of a lack of fluid changes in the transfer case.  Ask her if she followed the service specifications outlined in the owner’s manual. Even if she did, supposedly Jaguar/Ford doesn’t make it very easy: perhaps no mechanic ever touched the transfer case?  Let’s hope not.

You can get a used X type transfer case, finding one might be easy depending on if her Jag has traction control. But considering the inherent weakness found in a lack of fluid servicing, will you get another pile of crap from the junkyard? Remember this: it’s not your car, not your problem.

Tell her to sell it, or roll the dice with an independent mechanic installing a junkyard replacement (and fluid change). The former is a better idea, especially if she’s better off (financially) in a cost-effective vehicle.*

*That’s not a sexist thing, there are plenty of cash-strapped dudes in ticking time bomb, maintenance deferred premium vehicles when they should be in a used Corolla. Your job as a Piston Slap reader is to give people a reality check if or when they need it. 

Send your queries to sajeev@thetruthaboutcars.com. Spare no details and ask for a speedy resolution if you’re in a hurry…but be realistic, and use your make/model specific forums instead of TTAC for more timely advice.

The post Piston Slap: Are you Jagsperienced? appeared first on The Truth About Cars.

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