2006 CTS crank no start troubleshoot and fix

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here are the parts and tools i needed for this fix.
FUEL pump - amzn.to/39gxmVD
FUEL line tools - amzn.to/3tC9WTZ
FUEL pump removal - amzn.to/3lhDlPn
FUEL pump lock ring - amzn.to/3nqcP9b
If you wanted to send me something.
CamaroMac
PO box 490706
Leesburg FL 34749
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[@kerenskiwilliams75]

Thx for the video mines came without instructions but you cleared it up by showing the wiring pattern

[@raykettel1837]

With any GM vehicle including my '03 CTS I can always hear the fuel pump turn on briefly to prime the line when I turn the key on but do not go to crank. The engine computer must be powered down between attempts as it will not prime the line a 2nd time if the computer did not shut down. A fuel line pressure gauge does not cost much and is easier than pulling fuel line off the filter. The first time or few times the fuel pump fails to run you may coax it into turning on by tapping the fuel tank from underneath so motor will move just a little so it will start running so you can get home. Sooner or later this will not work. You need to put downward pressure on the pump to twist the ring on or off due to pressure of o-ring pushing up and keeping the ring locked. Put a wood block on the pump on flat area and have your assistant step on the block. Then a hammer and bar can be used to spin it off. Another channel showed that a relay my click but may be defective. Their defective relay did not sound the same as a good relay when each clicked. One can swap relay or temporarily run a jumper wire across it while diagnosing the issue. I used a cutting wheel on a Dremel. One has to be very careful to not cut into the plastic fuel tank just below the steel.

[@fishfire_2999]

You cut it with a Dremel ? Must have taken forever? Grinder would think

[@raykettel1837]

@@fishfire_2999 Angle grinder would be faster but larger wheel may have made precision cut harder. The Dremel cutting wheels I used cut it fast enough for me. Even with care I cut into the tank in 2 locations about 1/16 of an inch--not deep enough to cause an issue. I am not sure I could hold angle grinder carefully enough to avoid deeper damage. I would use Dremel again if needed.

[@fishfire_2999]

@@raykettel1837 Yah makes sense I have both still trouble shooting my 06 st wouldn't start leaving work Fri was running great hopefully just purge valve something easy usually not that lucky ,thanks for responding ✌️

[@raykettel1837]

@@fishfire_2999 A fuel pump that does not turn on may turn on if one taps the fuel tank to move the motor enough to get it to spin even with failing windings. That won't work eventually. If car stalls after it warms up or won't start until some delay in time it could be the crank sensor. A bad crank sensor will set one or two diagnostic trouble codes and turn on the check engine light. A bad fuel pump won't set any codes or turn on check engine like. A local auto parts store will likely read codes out for free or one can buy a tool to read out codes. Tool may also read RPM and fuel pump commanded state--off or one. Fuel pump relays can also fail. There are 2 or three other relays in the fuse box near fuel part that use the same part number. One relay is for interior lights so one code swap those two relays to test. Relays normally fail and do not later go back to working state. One can temporarily remove relay and use a jumper wire diagonally across connections in fuse box to test. Diagram of pinout is on the relay. I had to use a magnifying glass to be able to read the pin number labels on the bottom of the relay.

[@fishfire_2999]

@@raykettel1837Wow that's a lot of info appreciated,so in my case I bought a can of starting fluid sprayed it in intake while my wife cranked it over after about 30 sec of this the car stayed running drove it home ran fine shut it off got home wouldn't start ,haven't had chance look into it yet but thinking might be the purge valve 👍

[@VegasOBie]

Just helped neighbor with same problem.. He tried to Loosen the ring for a week before he called me. He was hitting it with chisel.... I told him the Auto Parts store will lend you a tool, Off he went. It DID NOT fit just like your first tool.... so I grabbed a huge set of channel lock pliers and a 1 Ft long 3/4" steel rod to use as punch. I hit the Rod with the hammer and it move and then just moved back. So I had him squeeze ring from the opposite side like he trying to move it, while I hit the other side with the punch. The ring moved and did NOT move back, three or so hits later the RING WAS OFF. We had to put it back on the same way. Hope this helps someone. He did the CUT the floorboard method also......Vegas OBie

[@CamaroMac]

That ring is such a pain, I have encountered so many of these on other cars, this was by far the hardest to remove. Thank you for sharing.

[@aidennicholas7041]

Were can I get the picture of the wire's my pump came with no instructions

[@misaelmartinez7353]

Do u know the guy from polar bear comedy ? U look like cousins great video btw helped slot

[@CamaroMac]

I had to look him up, but yeah I can see it lol

[@WesleyBrace]

What a pain in the a** that job is… lol .. I’ll be diagnosing mine this week.. praying it’s just the filter.. but probably not.. oh well..

[@santiagoperez9083]

What if the car doesn’t start with starter fluid

[@keengwilli6]

So what if it only cranks but I have smoke coming from the exhaust?

[@ttvpyro_tuxx5190]

Same ctsv o5