Nissan Sentra 2005 AC high pressure?

20

Asked by Dec 14, 2014 at 04:40 PM about the 2005 Nissan Sentra 1.8 S

Question type: Maintenance & Repair

Couple of weeks ago, after flushing all lines and replacing condenser and drier and running vacuum for hour and half and checking for leaks on my Nissan Sentra 2005, I installed a new compressor with correct amount of oil and charged it with exact amount of R-134a and although I get cold air around 39 degrees and low side reads around 35, The high side reads low. 80-100.

The sellers tell me these new compressors have a control valve that regulates how much the compressor needs to work, hence low pressure reading. Is this variable displacement compressor and is this normal
or ….bad compressor?

5 Answers

4,805

I think your parts man is right. If this is a new compressor and not a rebuilt some do have the regulator in them. Sounds like AC is working good. Just keep your receipt for the parts in case you have a problem and need to return or replace them

1 out of 1 people think this is helpful.
20

Thank you. The pressure reading on High side has been nagging at me. I thought maybe compressor or expansion valve issue but then again. the AC is working better than original as far as cooling.

1 out of 1 people think this is helpful.
148,695

It also depends on the ambient temperature, the colder it is outside the lower the pressures will be. This only goes to 65F but the colder the lower (this will size up to see)

20

Yes I realize that. That is why I have taken several measurements at different temperature. between 70-80 degrees outside so the pressure should have been 145-210 psi if this was an older style compressor as is the case with 98 Camry I check just for reference..

1 out of 1 people think this is helpful.

Hello, I want to get specificafion Compressor Nissan Sentra 2006

Your Answer

Add photo

Related Questions

Sentra

Looking for a Used Sentra in your area?

CarGurus has 52,958 nationwide Sentra listings starting at $1,799.

ZIP:

Search Nissan Sentra Questions

Nissan Sentra Experts

#1 L_R
L_R
Reputation 1,250
#2 Doran Harney
Doran Harney
Reputation 1,160
#3 Tom Demyan
Tom Demyan
Reputation 950
View All

Related Models For Sale

Used Nissan Altima
1,088 Great Deals out of 82,556 listings starting at $670
Used Toyota Corolla
874 Great Deals out of 74,397 listings starting at $1,500
Used Honda Civic
663 Great Deals out of 77,395 listings starting at $1,000
Used Honda Accord
814 Great Deals out of 81,559 listings starting at $899
Used Toyota Camry
1,095 Great Deals out of 96,233 listings starting at $1,250
Used Nissan Maxima
345 Great Deals out of 25,215 listings starting at $1,400
Used Hyundai Elantra
568 Great Deals out of 55,000 listings starting at $1,000
Used Ford Focus
699 Great Deals out of 58,626 listings starting at $995
Used Mazda MAZDA3
251 Great Deals out of 29,978 listings starting at $895
Used Hyundai Sonata
608 Great Deals out of 51,117 listings starting at $1,300
Used Volkswagen Jetta
467 Great Deals out of 31,187 listings starting at $150
Used Kia Optima
514 Great Deals out of 31,021 listings starting at $2,000

Used Cars For Sale

2017 Nissan Sentra For Sale
3 Great Deals out of 29,467 listings starting at $8,302
2016 Nissan Sentra For Sale
36 Great Deals out of 6,035 listings starting at $10,499
2015 Nissan Sentra For Sale
204 Great Deals out of 5,471 listings starting at $7,995
2014 Nissan Sentra For Sale
151 Great Deals out of 3,528 listings starting at $5,580
2013 Nissan Sentra For Sale
118 Great Deals out of 3,027 listings starting at $5,999