I feel like I just cheated on her

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757guy

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My daily driver, 2006 Jeep Liberty, is normally filled with Mobil 1 0w30 and a Fram Xtended guard oil Filter. That's all I have ever used until today and she was happy with that.

Today I changed the oil with PU 5w30 and a Pure One oil filter. I hope she likes the change... but I feel bad for considering another oil.

Today she also received new Bosch Platinum 2 spark plugs, new Mobil 1 differential fluids (front and rear), new brake fluid and power steering fluid.


Ok, I'll get over it -- I'm just another obsessive-compulsive DIY-er that thinks long and hard over making any changes then wonders if I did the right thing.

I think I'll go wash my hands now.
 
I think you'll be real happy. If we werent compulsive DIYers we wopuld spend all this time on BITOG
 
good choice on the filter, don't think the oil will matter much

I'd stick with Mobil just because I'm a little more brand biased towards them. I'd wait awhile until PU starts seeing heavy useage and see if its worth the extra coin compared to PP..... I'd rather buy PP then PU right now
 
Originally Posted By: 757guy
My daily driver, 2006 Jeep Liberty, is normally filled with Mobil 1 0w30 and a Fram Xtended guard oil Filter. That's all I have ever used until today and she was happy with that.

Today I changed the oil with PU 5w30 and a Pure One oil filter. I hope she likes the change... but I feel bad for considering another oil.

Today she also received new Bosch Platinum 2 spark plugs, new Mobil 1 differential fluids (front and rear), new brake fluid and power steering fluid.


Ok, I'll get over it -- I'm just another obsessive-compulsive DIY-er that thinks long and hard over making any changes then wonders if I did the right thing.

I think I'll go wash my hands now.



The only thing I think (know, actually) she'll hate are the Bosch plugs. I've never had anything but trouble with Bosch platinums and will never go near them again. When I need a Platinum tipped plug, I usually go Autolite. Champions are OEM in almost all Mopars, and they work great too.

I'm not a big Pennzoil worshipper, but PU should be very good oil. SOPUS probably makes the best Group III/III+ based oils of anyone, and if what they're using in PU is like the III+ in RT6 it would hold its own against any Group IV product.

I consider the PureOne a step up from the Fram, and yes I know ExtendedGuards are 1000 times better than regular Frams. Its not a BIG step up to a P1, but I do like it better.
 
I agree on the plugs but didn't want to burst your bubble. She wont like the bosch's. I'd go OE or NGK on the liberty
 
I like the filter change...I'm a big PureOne fan.

I don't think the change from Mobil 1 0w30 to PU 5w30 will hardly be noticed by your baby!

Regarding spark plugs...stay with factory NGKs...
_________________________________________
2003 Ford Focus SE (2.3L) / 83K
Valvoline MaxLife Syn 5w30 / OCI 7,000 +/-
Purolator PureOne
 
Thanks for the comments so far, but I am suprised about the strong responses against Bosch Platinum plugs.

Why are the Bosch spark plugs considered to be bad? I have read about NGK Iridium type plugs that are considered to be a good choice, or is the NGK copper core the way to go? I don't know much about the different types of plugs only that the Jeep Liberty maintenance schedule has you replace them every 30,000 miles. (Why so often? Is it because of the coil packs?)

Thanks!
 
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Better choice on filters and good oil but the green cap has ya covered well!
thumbsup2.gif
 
Thanks for the comments so far, but I am suprised about the strong responses against Bosch Platinum plugs.

Why are the Bosch spark plugs considered to be bad? I have read about NGK Iridium type plugs that are considered to be a good choice, or is the NGK copper core the way to go? I don't know much about the different types of plugs only that the Jeep Liberty maintenance schedule has you replace them every 30,000 miles. (Why so often? Is it because of the coil packs?)

I would like to know why the Bosch spark plugs are considered bad as well. Is it vehicle dependant? Some vehicles like them, others don't?
I say that because back in 1997 I installed Bosch Platinums in my 1994 Honda Passport(rebadged Isuzu Rodeo), thinking it was an upgrade to the OEM plugs. The Honda had 37,000 miles on it. I have been using them ever since. When the Bosch Platinum +4 come out, I switched to them. The Honda now has 148,000 miles on it. I would hate to think I was damaging something the entire time. Wouldn't the check engine light come on if this was the case? The only time it has come on was when my family went on vacation in the UP of Michigan, and since we were in the middle of nowhere, we stopped for gas at a country gas station. I don't if it was water or just old gas, but the Honda started running rough and the check engine light blinked on. Suspecting it was the gas, we filled up at the closest BP station we could find. It was better right away, and the light went out.

How does one tell if the Bosch Platinum are causing problems?
 
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I have used regular Bosch Platinums a couple times, and they worked OK. However, I have read many stories of the +2 and +4 plugs losing their electrodes...not a pleasant thought!

NGKs are in my Libby, and she's happy with them (NGKs are OEM on these vehicles). I've always had great results with NGKs. They do seem to wear quickly, though, so I think the 30k replacement schedule is about right.
 
The only vehicles that Bosch seems to run well in are ones that come with them OE. Plenty of people I've talked to with cavaliers, and other GM cars, Chrysler cars, hate Bosch plugs. Bosch have earned themselves a nick name, ie Botsched. Their O2 sensors are good, but their spark plugs are bad.
 
Originally Posted By: njohnson
Thanks for the comments so far, but I am suprised about the strong responses against Bosch Platinum plugs.

Why are the Bosch spark plugs considered to be bad? I have read about NGK Iridium type plugs that are considered to be a good choice, or is the NGK copper core the way to go? I don't know much about the different types of plugs only that the Jeep Liberty maintenance schedule has you replace them every 30,000 miles. (Why so often? Is it because of the coil packs?)

I would like to know why the Bosch spark plugs are considered bad as well. Is it vehicle dependant? Some vehicles like them, others don't?
I say that because back in 1997 I installed Bosch Platinums in my 1994 Honda Passport(rebadged Isuzu Rodeo), thinking it was an upgrade to the OEM plugs. The Honda had 37,000 miles on it. I have been using them ever since. When the Bosch Platinum +4 come out, I switched to them. The Honda now has 148,000 miles on it. I would hate to think I was damaging something the entire time. Wouldn't the check engine light come on if this was the case? The only time it has come on was when my family went on vacation in the UP of Michigan, and since we were in the middle of nowhere, we stopped for gas at a country gas station. I don't if it was water or just old gas, but the Honda started running rough and the check engine light blinked on. Suspecting it was the gas, we filled up at the closest BP station we could find. It was better right away, and the light went out.

How does one tell if the Bosch Platinum are causing problems?


30k miles is the interval because the factory plugs are copper. Any manufacture that installed copper from the factory recommends 30k. Platinum or Iridium are designed for longevity. Best performing plugs in heat dissapation are copper. All the supercharged 3800 guys run copper because they work the best.

You'll know when the Boschs are bad, it will run like a 1 cylinder lawnmower. I recommend go ahead and get the factory NGK copper plugs for original equipment performance and 0 problems.
 
Originally Posted By: 38sho
good choice on the filter, don't think the oil will matter much

I'd stick with Mobil just because I'm a little more brand biased towards them. I'd wait awhile until PU starts seeing heavy useage and see if its worth the extra coin compared to PP..... I'd rather buy PP then PU right now


+2 on all points.
 
My brother has a 00 blazer with the 4.3 vortec in it. For months he has been bothered by slightly lower gas mileage and what he claims as just not quite running correct. After a bunch of messing around and replacing parts, i suggested to him to change the plugs back to factory delco platnums. I have heard a lot of people fussing about bosch plugs on the blazer forums so he bit the bullet and replaced the bosch platnums that he put in there. He claims that his mileage is back to normal and says it runs good now. He is not the most mechanical guy but he is now happy with his blazer. Personally i have used bosch plugs before in my old 4.3L pickup and thought they were fine. Maybe some engines are picky about plugs. In the last few years, i just started using OEM plugs on everything.
 
Originally Posted By: 757guy
Thanks for the comments so far, but I am suprised about the strong responses against Bosch Platinum plugs.

Why are the Bosch spark plugs considered to be bad?
Thanks!


I used to blame it on the hair-thin center electrode that, even though its platinum, is so thin that it would erode below the surrounding ceramic and then quit working.

But I understand they've changed that a bit- but still I think it has to do with the fact that they have the center electrode flush with the ceramic.

All I can say for certain is that they perform HORRIBLY in all the cars I've ever tried them in. In the case of one carbureted car, they ultimately resulted in a complete no-start situation! Fuel-fouling (hey, it happens with carbs) prevented all 8 from firing. Dead in the water.

Just in general, It seems to me that the Bosch company has very separate and different OEM vs. aftermarket parts lines. Sometimes you pull out an OEM Bosch part and then notice that the one you're putting in (fresh out of a Bosch box) looks completely different... and often performs completely differently too. Or more often, if its an aftermarket Bosch part replacing an OEM Bosch part, it will be the same design as the original. But if its an aftermarket Bosch part intended to replace someone else's original part, then its a very generic and cheap design. Bosch replacement O2 sensors for Chrysler applications are notorious in that regard.
 
In my fleet trucks we ran Bosch plus 4's as an experiment.

They ran fine, were in one truck for 155k miles with no issues.

This despite everyone telling me that if you ran anything other than factory the sky would fall on your head.
 
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