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Comments
I am wondering if there is anything more readily available to check such as a relay or something before is start into the "fun" of taking everything apart to get into the chaos of the venting system. This is a sentimental car so I find it worth the while to get into this sort of job to maintain its personal value.
Any help is very greatly appreciated!
http://www.imcool.com/articles/aircondition/fix_vacuum_line.php
You can verify by switching lines going to the vacuum motors on the left side of the center box. Take off both under dash plastic covers--a few screws and taps.
The programmer box is on the corner of the HVAC box held on by two screws. There are a couple of connectors-big one and small one on top to unsnap for electrical wires.
The plastic thing sucks closed. The blue line for dash vents gives earliest problem. There are 4 vacuum controlled motors that move vanes to direct air. The blue line goes to the dash vents--it turns off the flow out the defrost and forces air out the dash instead. Find some vacuum line at a parts store that fits oveer the 1/8 inch plastic vacuum lines they use. Note that the colors inside the programmer on the lines doesn't always match the color for the outside line coming out of the plastic connector.
http://i86.photobucket.com/albums/k110/imidazol97/0900823d8017f925-1-1.gif
http://i86.photobucket.com/albums/k110/imidazol97/DSC03124.jpg
2014 Malibu 2LT, 2015 Cruze 2LT,
Two Estimates:
Shop Number 1
They indicated that I needed new pads (ceramic), resurface of rotors, new calipers + hardware on front and rear and flush. They provided me with nothing indicating what levels my rotors were at. Total cost $400.00
Shop 2:
They first came back with estimate of $1200. This included on both front and rear: Calipers, Rotors, Semi Metallic Pads, Flush. The manager then said, that the Calipers were not really necessary but because the pads on either side of the car were wearing at different rates it probably meant that the calipers were sticking on one side more than the other. he said really if they replace the calipers I might get a longer wear time out of my pads.
Next, he said that the rotors on the back were at discard levels so they could not be machined (wait, the last place said they could.. huh?). Measurements: .384 (LB) and .392 (RB). Their measurements on front were 1.248 (LF) and 1.253 (RF). Min. Machining level was 1.244. Said it was too close to machine properly. So replacement was necessary.
When asked at both shops what came on my car (type of pad) I got two different answers. The one shop said it came with front ceramic and rear semi metallic. The other shop said it came with semi-metallic.
The first shop said ceramics were best, so that is what they recommended. The second shop said they stick with OEM specs on brakes and did NOT recommend the ceramics.
Both shops recommended fluid flush (I had this done 2 years ago), is this necessary?
I had my front rotors replaced 2 years ago at my last service. I thought that rotors are typically good for at least ONE machining, is this not true?
Thoughts??
Were either of these shops one of our dealerships? If so, we're happy to follow up on this with you! Please let us know.
Best,
Sarah
GM Customer Service