Check Valve Questions:

Question #1:

Air conditioning is not cold?

Air conditioning is not cold?
air conditioning is not cold?
i hit a 96 camaro 3.8. earlier today i was dynamical and thought it would be a beatific idea to permit the ac separate for a lowercase while. patch it was quick to change from modify to ambient algid air, the expose never really got colder than ambient temperature.

when i got bag i unsealed the cowl and saw that the rotate thing on the modify of the compressor not the connatural drive wheel, the end "clutch"thing was spinning when the ac was on, and was not spinning when the ac was off, just as it should.

when i overturned the engine off, i found that the same wheel on the modify of the compressor was pretty easy to twist. when i twisted the wheel by assistance i could hear a fearful gurgling racket reaching from around where i envisage the heater set is, or something around that area.

when i ran the automobile with its hood unstoppered at the warmed-up low idle, most 650-700rpm , with the ac on and the rotate on the compressor spinning, after about a minute i cound not really see some modify in the temperature in the silver chamber thats in the ac lines between the compressor and the exclusive of the vehicle evap. canister? . it not really get hotter or colder.

what do you conceive is wrong? i dont know when the old man i bought it from had terminal run the ac...

please gratify please be healthy to tell me that it is meet becasue the ac has sat clean for a while,and it just needs to run for a while at freeway speeds with the ac on or something like that... or maybe the car takes the intake expose temp and exclusive activates the ac when the ambient expose is hearty it was 64 in the direct solarise when i crowd it today ?

i patterned the lines as such as i could wager inside the engine bay, and there is no evidence of a leak at any of the connectors. i obviously slope wager anything past the firewall, bu there was no sitcky residue or anything on some of the connectors in the engine bay. i also took off the counterbalance of the valve thats rght before the bunk connection to the air conditioning radiator i know its called something added and, using the nous of a nab and a file, i place the nous of the nail on the tio of the valve an just just tapped the end of the nab until i could center an extremely quick blow of air. im sreious it was some many nowadays shorter than the puff of air you intend when you verify a ring pump soured a ring valve... when i eventually did release a tiny blow of gas, i sounded like there was a aggregation of pressure behind it, more than a ring has. so there is in fact freon in the system.

i rattling dont poverty to hit an ac problem hunt...

thanks

Question #2:

Is it a threat to your engine to drive with valve timing off?

To be exact the cipher is: P1349

Probable cause
àà1-Valve timing off
àà2-Blocked oil passage
àà3-Failed lubricator control calve
àà4-Electrical circuit fault

If needed, my car is a 01 Lexus IS300 with 208,500 miles. Could it damage the engine with constant driving?

Has anyone immobile this supply or is there something I should check DIY ?

Question #3:

Does exhaust have anything to do with my oil pan blowing out?

I hit a 93' Chevy Cavalier 3.1L V-6 with 240,000 miles. Last week it started stalling, pinging, and expiration of power feat up hills and patch accelerating. I detected my catalystic converter was glowing red so I replaced it 115 and it. I took it for a aerobatics around the block and the analyse engine reddened would come on when I would deccelerate on the pedal tone and it still ran the same. When I returned I looked low and detected the converter was ease glowing. I did some research and my symptoms matching up to a dirty or bad EGR valve. After researching the backround of my car I became aware the previous owner had it cleaned before. So I opted for the equal 180 . I took the older one off, cleaned discover the port, reapplied the gasket and place the new one on. When I started the car it still ran rough, but idled better. I proceeded to drive up the road, when the automobile started bucking, made a racket same push emotional but loud then died. After effort it back into the driveway, I tried to start it again and it wanted to start but wouldn't. I then detected oil leaking out pretty good when we proven to start it from every around the lubricator pan. I'm lost! Car ever ran good up until terminal week. I don't undergo wtf happened! If anyone can support me PLEASE! I just lost my job and my house was part of my salary! I can't afford to throw anymore well needed to a forfeited cause! But if it can be restored I would like to do that. the 3.1 is a enthusiastic engine!

Question #4:

85 chevy s10 blazer issues?

alright so i am at a rank loss with this truck going to start my issues from beginning, gas guage stops employed put pair gallons of premium in cell try to intend on superhighway few hours later and it tradition drive over 55 indication rpms go up and downbound as if it had increase circuit and if i kept pushing throttle it would stall inspire it around to impact and edifice and it starts to intend worsened wont go over 35 then i find problem my clean switch inlets are broken so hoses are garbled it happens to be primary visit part i utilised scene tape to stop hoses onto switch barely connnecting what so ever afterwards difficulty gets better drives up to 64 mph. couple life after backwards to 35 indication limit no matter what i do to hoses then a offense sound starts i think from unstable housing and progressively gets worsened by the time i got newborn switch and installed it there was no effect. automobile just moves now stalls in seconds sound is very blasting PLZ HELP
new pcv valve
new vacuum switch
checked clean lines, but theres a million could have missed one
i did mess with carb adjustments

ps terrible screaching started from v track getting frayed replaced and went absent slightly immproved starting.
2.8 v6 restored engine inferior than 5k

Question #5:

Why does my 2000 Honda Civic Si revs up and down?

It starts after driving for just a lowercase bit. Sometimes its hurried up and down. Also jerks real intense after add or letting of the gas. I already cleaned the IAC Valve and checked the PCV. Any ideas?

Question #6:

Chevrolet Avalanche P0449?

My 2005 Avalanche has a check engine light code P0449 for the EVAP refresh valve again. It was
already replaced. Can this part go intense again or is there another difficulty with my truck ??

Question #7:

2000 buick lesabre sporadically quits?

I hit a 2000 buick lesabre that module quit commonly at the time I shore off of a highway but not always when I go to move it, it module blast and then quit. If I pump the gas I crapper usually keep it running but it will go to most 2500 rate expire soured then rev back up and so on. If I ready it streaming for about 20 seconds and get it into drive, intend agitated the difficulty will go away for awhile. I hit check the fuel pressure and there is not a difficulty there. Also the O2 sensors go from angle to flush then backwards to lean .07v to .82v constantly.. There is never a analyse engine light. Any ideas on what it strength be? I hit changed the downstream 02 sensor and the transpose sensor and also patterned the PVC valve. I don't believe there is a clean leak Anybody have a similar problem that was solved?

Question #8:

I have a 1992 buick park avenue that will turn over good but not crank.?

When I essay to unstable the car it just turns over but will not start. It is like it is discover of pedal but I additional more gas and also checked the fuel viscus by checking the regulator and it had gas come discover so I undergo its not that. What added could it be?

Question #9:

what does oil in air breather mean?

i test drove a 07 Prius. the analyse engine reddened stayed on and we institute oil in the air breather. the salesman intellection it needed the arrhythmia regulator replaced. Would the lubricator in the expose breather hit finished damage to the rest of the engine, say pistons, valve counterbalance gasket, etc or is it safe to acquire once he replaces the PVC valve?

Question #10:

Master Mechanic Needed! Nissan Frontier Engine Problem.?

Ok, so i have a 1998.8 Nissan Frontier XE King Cab 2WD with a 4 Cylinder 2.4L SFI engine. I hit owned the pushcart since March 2011 and i just today started to get fed up with the check engine light. I started a new employ that requires me to intend 36miles a day. my truck the dealer says, "It should be getting around 450 miles per tank, or about 30mpg." I hit a 15.9gal. tank and I'm exclusive effort most 200 miles discover of it MAX that's most 13mpg . The check engine light was on and it said "Cylinder 1, Misfire Detected" so i denaturized the render injector and the analyse engine light then said, "Cylinder 4, Misfire Detected" so instead of doing the routine over and over i bought 3 more fuel injectors and denaturized them all. The check engine light is still on and blinks, and no matter what, it ever says, "P0304 Cylinder 4 Misfire Detected." I hit changed: Spark plugs OEM , Spark Plug Wires OEM , fuel injectors OEM , Distributor Cap&Rotor, and a pair other things i slope think of soured hand, pcv valve and a couple others. The pedal distance has not reinforced and the check engine light is ease on. I have spent 1000 in repairs. WHAT IS WRONG WITH THIS DAMN TRUCK!!



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