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Does anyone have problems with losing connection with the ECM when datalogging? What will happen is the data will stop flowing while running a scan. It happens frequently where it can lose connection after only a few minutes of starting the datalog. You have to restart the car and reboot the...

I was looking at getting a rebuilt Mass Air Flow sensor. I know when these get rebuilt, that they have to get calibrated. And have read of some getting miss-calibrated MAF sensors causing a lean or rich condition. Any preference of BWD or Cardone MAF sensors? The BWD is limited lifetime...

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How are you guys adjusting the pushrod on the brake booster? I can't really get anything to the rod to keep it from turning while trying to get a socket on the screw to back it out some. It almost looks like you need a special tool that has a couple of 90* bends to stick in there so you have...

I've got an older GM car with the Harrison compressor like what I believe came on the older C4's. I replaced some radiator hoses and was draining the block to flush it. I do remember getting the clutch a little wet. And it sat for a day or two before I got back to running it with the heat on...

On my 89, I put on 4 Wearever rotors and Wearever Gold pads. It breaks fine. But I noticed at the last few seconds before the car is completely stopped, that I get a loud vibration that you can feel through the floor. And while completely stopped, when I start taking my foot off the brakes, I...

On my 89, it was down for a month or so. I had to replace a rear hub, ujoints, power steering pressure hose, air pump check valve, and spark plug wires. After that, I went to start it. But turned the key and nothing happened. Must have been the VATS thing I guess as I came back out an hour...

Has anyone bought any of the rear hubs from ebay? They've got some for a good price. I noticed a slight wabble on the rear driver hub, but the rest were tight. Though, the PO had the ujoints replaced on the rear driver half shaft. And when I had the wheel off, I noticed the nut retainer was...

I decided to check the ujoints on my 89. The PO just replaced the driver side half shaft joints for some reason. I put it in neutral with the rear on jack stands and turned the wheels. I got a screeching sound from around the transmission. I looked and noticed the grease leaking out of the...

On my 89, a while back I had put in some AC Delco spark plugs. Then noticed the nuts were rusted out a month later. So, I then put in NGK V-Power 5155. I had recently popped the hood at night with the engine running. And noticed blue flashes coming from both sides of the engine at the spark...

Any tips on replacing a power steering pressure hose on an 89? I see mine is leaking where the hose gets crimped on both ends. I got a new hose from Autozone. I'm thinking it is the same one as the AC Delco. I know to soak the Orings in power steering fluid and install on the line. It...

Has anyone put on a Cardone rebuilt Smog Pump that goes on the L98 engine? Autozone has one at $62 with 1 year warranty. And Advance has one a $91 with limited lifetime warranty. Don't really want to spend the extra $30 for the same part. I don't think Advance will price match with it being...

On my 89, I had cleaned the engine bay and got the smog pump wet to where it seized. So I got a good used one from a 45k mile car. It seemed to work fine. Then later on I noticed a kind of rattle type sound. I'd call it a soft rattle or something as it didn't make a buzz sound. Just a noise...

I have an 89 auto. A couple of times. Once was from a cold start, and the other was when it had sat for 30 minutes. I start it and it idled real ruff dying or trying to die. So, I had to raise the RPM's to keep it from dying for like 10-15 seconds, then all was fine. It has just done this...

Looks like the front seal on my compressor is leaking. After I removed the frisbee and put on a new belt, I later started seeing a small amount of black spray on the tensioner, upper control arm, and under side of the hood. It is an 89, so it has the Nippondenso 10PA20C. Though I have heard of...

The wiper blade on the driver side sits too high when it is parked. The passenger side is fine. They both wipe fine. Is there an adjustment you can do to adjust how high the arm is in park? Here is an Anco blade driver side: I put in new Trico Exact fit blades. And it was worse. They wipe...

I see two part numbers for the serpentine belt for an 89. Autozone lists 922k6. And Rock Auto and Napa list 6k923. I believe the 6k923 is the correct part number according to the GM part number of 88932784. Does it really matter which one? I know the 922 would be a little shorter. I was...

I'm looking for someone who has parted an 84-89 who has a bunch in interior screws left over they'd like to get rid of. I'm mainly looking for the screws for the dash trim, halo trim, rear trim pieces, door panel screws, etc.

My 89 likes to pull to the left or right sometimes when I'm braking. It done that since I've had it. When it does this sometimes, it will try to turn the steering wheel a good quarter a turn. I had the brake fluid flushed over a year ago. A few months ago, I gravity flushed the brake fluid. I...

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