Pontiac G5 Questions

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My ac works perfectly but the heat in my G5 won't work
What seems to make the problem better or worse? Nothing makes it worse
my speedometer light is off. I know with all the other cars I have owned I just needed to replace the bulbs. The shop says they can't just replace the bulbs but have to replace the whole cluster. Is this true?

What seems to make the problem better or worse? N/a
How long have you had this problem? Just started, it was working fine yesterday
The RPM and fuel level On my 2009 Pontiac G go up and down for a minute and then works normally. Again a few minutes later it starts fluctuating again. The engine works normally during that time. I also realized the signal light was also deal when the RPM and fuel level gauge were bouncing. Any advice?
It will crank but want crank was running before replacing rotor caliper and brakes on driverside
Why does it sound like my lifters are tapping when car gets hot then cooling mode comes on
bank 1 erased check engine light but comes right back!
Well i buy a tachometer and i dont know where i have to connect the principal wire. The wire that say me the rpm. I connect the others wires but i dont know where i have to connect that one. Help!!
The temp readout gauge works intermittently. When no reading appears, I show the same codes. Unfortunately when I have no reading and it appears as ---F, my A/C compressor will not function either. It's very hot in Phoenix. What else can I check? I am desperate.
I've replaced the bulb twice so I know it isn't that, the diagrams for both fuse boxes don't identify which fuse is for the turn signal or blinkers. The bulb actually won't turn on at all so I'm guessing it's a blown fuse, just need help identifying where the fuse is located on either fuse box
No power even to the panic box?
I had taken it to Dobbs and they replaced thermostat and compressor still same symptoms. I have always noticed a wack smell coming from the vents. But I can't keep wasting money. What is the problem?
I ran over a rock and cracked the oil pan. I replaced it with a new one. The next day drove the vehicle on a 55 mph road and was no problems. I then got on the free way and drove at 75. No problems thenstarted going on a incline and the vehicle started to hesitate. A few seconds later smoke was coming from the engine. So i coasted it and and parked. I waited a few minutes for the engine to cool down and looked under the hood there was oil leaking. I checked the dipstick and was empty. A few hours later i filled up the oil again and it kicjed over but started to sputter and the oil that was put in completely leaked out. Suggestions.
My friend recently helped me install an after market double din. He rewired everything for it to work. Now, my a/c is only blowing cold air when driving, coolant temp goes way up when on idle over 115 degrees F, my halo and LEDs on my headlights wont turn off even after the engine is off, it alarms by itself.
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