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NP231 lubricant
I was wondering anybody can tell me what kind of fluid used in NP231
transfer case. The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon Auto transmission fluid. I already changed the fluid using Dexon3,the noise from t-case is still there. Should I use ATF+3 or 4? It's a 92 cherokee Laredo, 4L Auto. thanks |
Re: NP231 lubricant
Herb did pass the time by typing:
> I was wondering anybody can tell me what kind of fluid used in NP231 > transfer case. > The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon > Auto transmission fluid. > > I already changed the fluid using Dexon3,the noise from t-case is still > there. Should I use ATF+3 or 4? > It's a 92 cherokee Laredo, 4L Auto. 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176) 1.6Qts (till it dribbles out the top fill plug) Dexron was dropped from the Chryseler/Jeep compatibilty list back in 1997. Modern versions of those are acceptable. http://www.chevron.com/prodserv/nafl...ntent/atf.shtm ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not correct for your application. Jeeps says it's required for the latest NP diff, but your diff was made way before ATF+4 existed. Your noise may not be the fluid, it may be the link adjustment or a stretching chain. However, it's cheap enough to try it again with a ATF+3 fluid. That's what I use, but then again I have the NP249 -- -- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors Banks Header - and BEER, in the fridge! |
Re: NP231 lubricant
Herb did pass the time by typing:
> I was wondering anybody can tell me what kind of fluid used in NP231 > transfer case. > The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon > Auto transmission fluid. > > I already changed the fluid using Dexon3,the noise from t-case is still > there. Should I use ATF+3 or 4? > It's a 92 cherokee Laredo, 4L Auto. 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176) 1.6Qts (till it dribbles out the top fill plug) Dexron was dropped from the Chryseler/Jeep compatibilty list back in 1997. Modern versions of those are acceptable. http://www.chevron.com/prodserv/nafl...ntent/atf.shtm ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not correct for your application. Jeeps says it's required for the latest NP diff, but your diff was made way before ATF+4 existed. Your noise may not be the fluid, it may be the link adjustment or a stretching chain. However, it's cheap enough to try it again with a ATF+3 fluid. That's what I use, but then again I have the NP249 -- -- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors Banks Header - and BEER, in the fridge! |
Re: NP231 lubricant
Herb did pass the time by typing:
> I was wondering anybody can tell me what kind of fluid used in NP231 > transfer case. > The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon > Auto transmission fluid. > > I already changed the fluid using Dexon3,the noise from t-case is still > there. Should I use ATF+3 or 4? > It's a 92 cherokee Laredo, 4L Auto. 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176) 1.6Qts (till it dribbles out the top fill plug) Dexron was dropped from the Chryseler/Jeep compatibilty list back in 1997. Modern versions of those are acceptable. http://www.chevron.com/prodserv/nafl...ntent/atf.shtm ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not correct for your application. Jeeps says it's required for the latest NP diff, but your diff was made way before ATF+4 existed. Your noise may not be the fluid, it may be the link adjustment or a stretching chain. However, it's cheap enough to try it again with a ATF+3 fluid. That's what I use, but then again I have the NP249 -- -- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors Banks Header - and BEER, in the fridge! |
Re: NP231 lubricant
For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
replacement the Dealer is correct see the TSB Link http://dodgeram.info/tsb/2004/21-004-04.htm HarryS "DougW" <post.replies@invalid.address> wrote in message news:rAWJd.8916$8Q.5665@okepread06... > Herb did pass the time by typing: >> I was wondering anybody can tell me what kind of fluid used in NP231 >> transfer case. >> The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon >> Auto transmission fluid. >> >> I already changed the fluid using Dexon3,the noise from t-case is still >> there. Should I use ATF+3 or 4? >> It's a 92 cherokee Laredo, 4L Auto. > > 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176) > 1.6Qts (till it dribbles out the top fill plug) > > Dexron was dropped from the Chryseler/Jeep compatibilty list back in 1997. > > Modern versions of those are acceptable. > http://www.chevron.com/prodserv/nafl...ntent/atf.shtm > > ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not > correct for your application. Jeeps says it's required for the latest > NP diff, but your diff was made way before ATF+4 existed. > > Your noise may not be the fluid, it may be the link adjustment or > a stretching chain. However, it's cheap enough to try it again with > a ATF+3 fluid. > > That's what I use, but then again I have the NP249 > > -- > -- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors > Banks Header - and BEER, in the fridge! > |
Re: NP231 lubricant
For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
replacement the Dealer is correct see the TSB Link http://dodgeram.info/tsb/2004/21-004-04.htm HarryS "DougW" <post.replies@invalid.address> wrote in message news:rAWJd.8916$8Q.5665@okepread06... > Herb did pass the time by typing: >> I was wondering anybody can tell me what kind of fluid used in NP231 >> transfer case. >> The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon >> Auto transmission fluid. >> >> I already changed the fluid using Dexon3,the noise from t-case is still >> there. Should I use ATF+3 or 4? >> It's a 92 cherokee Laredo, 4L Auto. > > 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176) > 1.6Qts (till it dribbles out the top fill plug) > > Dexron was dropped from the Chryseler/Jeep compatibilty list back in 1997. > > Modern versions of those are acceptable. > http://www.chevron.com/prodserv/nafl...ntent/atf.shtm > > ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not > correct for your application. Jeeps says it's required for the latest > NP diff, but your diff was made way before ATF+4 existed. > > Your noise may not be the fluid, it may be the link adjustment or > a stretching chain. However, it's cheap enough to try it again with > a ATF+3 fluid. > > That's what I use, but then again I have the NP249 > > -- > -- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors > Banks Header - and BEER, in the fridge! > |
Re: NP231 lubricant
For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
replacement the Dealer is correct see the TSB Link http://dodgeram.info/tsb/2004/21-004-04.htm HarryS "DougW" <post.replies@invalid.address> wrote in message news:rAWJd.8916$8Q.5665@okepread06... > Herb did pass the time by typing: >> I was wondering anybody can tell me what kind of fluid used in NP231 >> transfer case. >> The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon >> Auto transmission fluid. >> >> I already changed the fluid using Dexon3,the noise from t-case is still >> there. Should I use ATF+3 or 4? >> It's a 92 cherokee Laredo, 4L Auto. > > 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176) > 1.6Qts (till it dribbles out the top fill plug) > > Dexron was dropped from the Chryseler/Jeep compatibilty list back in 1997. > > Modern versions of those are acceptable. > http://www.chevron.com/prodserv/nafl...ntent/atf.shtm > > ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not > correct for your application. Jeeps says it's required for the latest > NP diff, but your diff was made way before ATF+4 existed. > > Your noise may not be the fluid, it may be the link adjustment or > a stretching chain. However, it's cheap enough to try it again with > a ATF+3 fluid. > > That's what I use, but then again I have the NP249 > > -- > -- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors > Banks Header - and BEER, in the fridge! > |
Re: NP231 lubricant
HarryS did pass the time by typing:
> For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the > replacement the Dealer is correct see the TSB Link > http://dodgeram.info/tsb/2004/21-004-04.htm Interesting. Guess I'll go with +4 next time I drain the xfr case. Although I don't like the bit it says about not being able to tell water contamination by color anymore. -- DougW |
Re: NP231 lubricant
HarryS did pass the time by typing:
> For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the > replacement the Dealer is correct see the TSB Link > http://dodgeram.info/tsb/2004/21-004-04.htm Interesting. Guess I'll go with +4 next time I drain the xfr case. Although I don't like the bit it says about not being able to tell water contamination by color anymore. -- DougW |
Re: NP231 lubricant
HarryS did pass the time by typing:
> For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the > replacement the Dealer is correct see the TSB Link > http://dodgeram.info/tsb/2004/21-004-04.htm Interesting. Guess I'll go with +4 next time I drain the xfr case. Although I don't like the bit it says about not being able to tell water contamination by color anymore. -- DougW |
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