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coolant

  1. DIY - Do It Yourself / Tech Tips
    Hi all, Have another no heat problem would love help to resolve. 2008 Nismo. Heater blower working but cold and never gets warm. Both idle and warm / freeway driving still cold. Using green PEAK coolant. Topping up reservoir passed the full line. Have done the hill and 3K rpm for 15 minutes...
  2. DIY - Do It Yourself / Tech Tips
    Hey, need some help. While trying to track down a vacuum leak I snagged the Coolant Reservoir Hose and broke the nipple that it was attached to. I can find the part number for everything around it but I cannot find this part. It is a black valve on the firewall with the coolant reservoir hose...
  3. DIY - Do It Yourself / Tech Tips
    I'm looking for help in diagnosing a coolant problem. I have read many discussions of similar problems, but now it's happening to me. A couple of weeks ago, I had a few sluggish starts and the temp gauge started fluctuating, so I changed the thermostat in my 2008 Frontier, 4L V6, 2WD, SE...
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