New Jeep
Submitted: Thursday, Aug 03, 2006 at 10:10
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Silvercherokee
Hey everyone,
New to the
forum just traded my WRX for a new Jeep Cherokee Extreme Sports, turbo diesel manual, I must say I am very happy with the vehicle and the fuel economy is great already and should only get better as the engine runs in more, I have however have a couple of questions.
1/ any other owners of manuals out there experience the gearbox especially 1st to 2nd and 2nd to 3rd being very tight/clunky especially when its cold..?
2/ how long should I expect the engine to be fully run in and how long before I should achieve close to the advertised fuel economy..?
It only has 650kms on it
Reply By: Grizzle - Thursday, Aug 03, 2006 at 10:30
Thursday, Aug 03, 2006 at 10:30
Congrats on the car, my new Nissan Patrol has a tight gearbox as
well so hopefully yours is just running in.
Good luck
AnswerID:
186882
Reply By: GaryInOz (Vic) - Thursday, Aug 03, 2006 at 10:46
Thursday, Aug 03, 2006 at 10:46
1. Gearbox should loosen up in time (10-20000 km), but be aware that it is never going to be as slick in its shifts as the WRX was.
2. Petrol engines take 20-40000 km to really run in, diesels I would expect to take longer than that, but in either case you should see a marked improvement in the first 10000 km
AnswerID:
186887
Reply By: Member - Omaroo (NSW) - Thursday, Aug 03, 2006 at 10:58
Thursday, Aug 03, 2006 at 10:58
Also consider that the Cherokee is a much slower vehicle than the WRX was - so maybe you are subconsciously putting the boot in a bit more than you used to to get going. As time goes on you might ease off a little and get around 9L/100 which is what I'm getting around town in my Grand Cherokee (uses a common-rail diesel of similar size, as
well).
AnswerID:
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Reply By: Silvercherokee - Thursday, Aug 03, 2006 at 11:11
Thursday, Aug 03, 2006 at 11:11
I am very concious of being kind to my new engine, but was thinking that the box would be a little clunkier than the wrx, but it only seem to be the 2 gears I mentioned and going up the gears not back, I just worry about warranty on new things as being a former subaru owner, they look for any possible excuse to knock back warranty
The fuel economy is not that bad and it has been commuting on the M2 mainly, I got 585kms ot of 65ltrs which is around 11.1 which I am still very happy with and that I would assume will improve
Also is a diesel like petrol as when I asked the dealer regarding run in he said same a pertol just vary the revs for the first 1000kms.
AnswerID:
186892
Reply By: Gronk - Thursday, Aug 03, 2006 at 12:18
Thursday, Aug 03, 2006 at 12:18
A lot of truck like 4wds ( mines a terracan ) have clunky gearboxes because they are bigger therefore slower to change and they're less refined than car boxes.
Running in? No such thing these days, just drive normal for approx 1000klms before doing any towing or hard revving. ( this will get a response from a few of the old die hards )
Warranty? You might need it? It IS a Jeep don't forget. The yanks are not quite up there with the asians when it comes to overall quality!! ( that will get another response I'm sure )
AnswerID:
186905
Follow Up By: Trevor R (QLD) - Thursday, Aug 03, 2006 at 12:31
Thursday, Aug 03, 2006 at 12:31
Gronk,
I'll start the first response (hehehe). I don't know about Jeeps, in particular, but I dumped the big trailer (around 3T) on the back of my 1HZ 100series when it had 28km (that's not a typo) on the clock. No such luxury as a run in time for this car, it turned out to be OK and I am aware of many truck drivers who put their trailers on with very low km's and just drive normal with no side effects. If you have to, it can be done.
Silvercherokee,
well done on a nice purchase, get out there and enjoy it for what it can do and where it can take you.
Regards, Trevor.
FollowupID:
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Follow Up By: Member - Omaroo (NSW) - Thursday, Aug 03, 2006 at 12:46
Thursday, Aug 03, 2006 at 12:46
I'm with you here Trevor.
I've had better luck, over the lifetime of a car, with cars that I've driven normally since day one. The matallurgy the manufacturers use these days is very high-tech, so what we used to call a "running-in" period is pretty much null and void these days.
Running-in was a period where poorly-matched, standardised cylinder liners, rings, pistons, big & small end bearings, cranks, journals, etc, etc were asked to get along harshly until all the rough bits were graunched off and disposed of in the first couple of oil changes.
These days the production tolerances are so high that very little actually wears over time if oil changes are maintained.
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Follow Up By: Silvercherokee - Thursday, Aug 03, 2006 at 14:08
Thursday, Aug 03, 2006 at 14:08
It IS a Jeep...? don't tell me I just brought a bleep box, I drove a few cars above it in price range...like the new diesel Pathfider but the gearbox was increadibly sloppy and drove some cheapies as
well, but this suited me for the money and drove
well and felt sturdy
Does anyone else have any opinions good or bad about the Jeep, the diesel got rave reveiws from various sources.
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Follow Up By: GaryInOz (Vic) - Thursday, Aug 03, 2006 at 16:26
Thursday, Aug 03, 2006 at 16:26
The "running in" period that I was referring to was the point at which you get the best fuel economy. I agree that the metalurgy and manufacturing techniques have improved to the point at which the "careful driving" stage is minimal these days.
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Reply By: kiesel - Thursday, Aug 03, 2006 at 20:00
Thursday, Aug 03, 2006 at 20:00
i have a 2005 crd auto.done 16,000k,s including recent trip thru red centre -brilliant in all areas- ave.10 lit/100k,s.was advised by Jeep & own mechanic to take easy for first 10,000 k,s
AnswerID:
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Reply By: Gronk - Friday, Aug 04, 2006 at 10:15
Friday, Aug 04, 2006 at 10:15
Got talking to a bloke with a t/d cherokee 2005 ( approx 8mths ago ) who wasn't all that happy with some niggling warranty probs then the very same night after talking with him the thing caught fire while driving along and burnt to the ground??
Know it can happen to any car I suppose, but he won't be buying another jeep !!
AnswerID:
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