Last post on Sep 27, 2013 at 3:04 PM
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Nissan Maxima, Sedan
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#3708 of 4184 A/C recharge and Speedometer Question
Jul 19, 2007 (7:59 am)
Hope someone can advise.
1. Recurring check engine light. Seems to be known issue with the Maxima.
2. A/C blowing hot air. Initial compressor start blows cold air but subsequent compressor push blows hot air.
3. Speedometer stopped working after freon charge.
For the 2001 Nissan Maxima SE auto, does anyone know which valve you recharge the freon from? I see the L and the H valve (H is by the radiator).
Also, does anyone know/can confirm if one of the wires which is part of a bunch of wires wrapped in tape located on the top left side of the engine and close to the L valve is the speedometer wire?
As my non-technical friend stated, he was trying to recharge the a/c with freon using the L valve (which did not fix his a/c blowing hot air problem) but then right after, the speedometer stopped going up past 40mph.
I looked under the hood and noticed a pinched wire, kinda straightened it out and then started the engine. The TCS off/slip light came on and couldn't be turned off. However, the speedo started working normally now (went up to 65mph). I assumed that the pinched wire was the problem, I repinched it again, restarted the engine and this time around the TSC off/ slip light came off. I just want to make sure that is the cause. If so, anyone know what needs to be replaced and around how much?
As far as the A/C, told him to have a shop properly evacuate, test for leaks and then recharge the freon.
#3709 of 4184 Re: A/C recharge and Speedometer Question [kagedude]
Jul 19, 2007 (12:58 pm)
'L' is for 'low pressure', that's where you recharge. But you need to have gauges, otherwise you will overcharge. The system has a pressure switch, if the pressure is too high or too low, the clutch won't engage, and the a/c won't work.
Don't know about the speedometer wire.
#3710 of 4184 Re: A/C recharge and Speedometer Question [just_phil]
Jul 23, 2007 (1:47 pm)
Regarding the A/C issue, my friend stated that they found a bad wire with the A/C and once replaced, it started blowing cold air again. Can't really confirm exactly which piece was replaced.
#3711 of 4184 Re: 94 Nissan Maxima is Stalling [caugn]
Jul 25, 2007 (8:20 pm)
Hello,I've been working on a "97" maxima for
a stalling problem.I found broken wires at the
idle valve fixed those the stalling got better
now stalls intermitantly.Took to dealer and they
had 2 maximas and 1 altima with the same problem
The mechanic was talking to Nissan tech line about the problems and came up with the electronic motor mount shorted out the E.C.U.
It burned out the idle circuit driver. A $900.00
E.C.U.repair.But I haven't picked up the car yet.
Supposed to be fixed tomorrow 7/26/07.Will update
Thursday night. Hope this will help.
#3712 of 4184 Re: '99 Maxima ECM Problems [ammorrossa]
Jul 26, 2007 (8:13 am)
Hi, I need help and advice. My Maxima would not start suddenly about a week ago so I had it towed to a local mechanic. That mechanic couldn't figue it out so I had it towed to another mechanic, and finally I had it towed to the dealer.
After an extensive diagnosis, the Nissan dealer service rep said that the problem is that my main electrical harness had been cut and that my ECM needed to be replaced. Now prior to this current problem, my car was running fine.
So I'm thinking that one of the mechanics previous to the dealer cut the harness because my car probably would not run with the cut harness, right? Anyhow, I need to know my options because my dealer said that the ECM unit is $880 and the harness is $1,800, plus another few senors and with labor, my total cost would be $3,900, which I definately don't have.
What options do I have? Can I buy the ECM and harness somewhere else and have an Electrical mechanic put it in? Is this a difficult job to do? Please Help! Any advice would be so appreciated! By the way, for reference, I live in Temple City, CA. Thanks so much for your help!!!
#3713 of 4184 99 maxima repair help
Aug 04, 2007 (9:17 am)
one of my belts broke and i took it to midas and they said that my crankshaft pulley was broken as well. they couldnt fix it how big of a job and how much will it cost
#3714 of 4184 how do i disconnect the anti theft system in my maxima
Aug 05, 2007 (8:50 am)
i baught a 1990 maxima and have had issues with it from day one first the ignition waqs locking then my speakers didnt work then it would not start at random,the alarm would go off at random too...now its just sitting in my driveway dead.I know its the anti theft system but i dont know how to bypass it can you please please help me
Aug 05, 2007 (8:55 am)
i have a old used car and it didnt come with the keyless entry code how can i reset this so i can use it
#3716 of 4184 2005 Maxima with 48K
Aug 24, 2007 (3:54 am)
I have 48K miles on my car and have been using regular Castrol oil for my car doing normal maintenance. I saw Mobil 1 synthetic on sale and bought one for my car. Now, Should I flush old oil and add synthetic. Do a simple flash and replace with synthetic? Since I replace oil every 3750 miles is there advantage of synthetic over regular?
Also I heard stories of damage to an engine after oil flush. Should I risk it?
#3717 of 4184 Re: 2005 Maxima with 48K [alexstore]
by MrShift@Edmunds HOST
Aug 24, 2007 (9:20 am)
You don't have to flush anything, you're fine. Just switch and extend your oil changes to at least 5,000 miles, or more if you are comfortable.