Was waiting for a serpentine belt at O'Reilly's in Phoenix and this old mechanic told the guy behind me that 90% of check engine light diag starts with swapping a MAF when it's usually a vacuum leak. Made me think about all the times I threw parts at a problem without checking the simple stuff first. Now I grab a can of brake clean and hunt for leaks before I touch the wallet. Anyone else got a go-to trick for finding vacuum leaks quick?
I had a 2002 Ford F-150 come in last Tuesday with a split heater hose right near the firewall. Customer needed to get home that night but I didn't have the exact part in stock. I remembered an old trick from a buddy in Phoenix where you wrap the split section with electrical tape first, then cinch a few heavy duty zip ties around it real tight. I did three zip ties spaced about an inch apart and it held at operating temp for a 30 mile test drive. No leaks at all and the customer made it back the next day for the proper hose. Has anyone else used zip ties as a temporary fix on coolant lines or am I just getting lucky?
I was at a shop in Denver last month helping a buddy swap tires on his F-150. He watched me hit each lug nut with the impact gun and then just call it done. He asked if I ever used a torque wrench after that. I said no, never had issues. He pulled me over to his toolbox and showed me a bulletin from Ford about wheel studs snapping on these trucks. I had no idea that over-tightening with an impact could stretch the studs and make them fail later. I always thought tighter was better. Now I use a torque stick on the gun and finish with a click wrench. Has anyone else been skipping the torque check and got away with it for years?
I had a 2012 F-150 in the shop with a bad alternator. Customer insisted on the Motorcraft one for $380 instead of the AC Delco rebuild for $120. Three weeks later it failed, and I had to eat the labor to swap it back out. AC Delco one has been running fine for 8 years in my own truck up in Burlington. Anyone else seen OEM stuff crap out way faster than the cheaper alternatives?
Last Tuesday I was at the NAPA on 12th Street getting wiper blades and this retired mechanic in his 70s overheard me complaining about a snapped exhaust manifold bolt on my F-150. He told me I was wasting time with the cheap spiral flute taps from the hardware store and handed me a set of straight flute bottoming taps. I figured he was just blowing smoke but he walked me through it. After using his method with cutting oil and backing out every quarter turn, I got that bolt out clean in under 20 minutes. Three years of snapping bolts and this one trick from a stranger saved me 150 bucks on a shop visit. Anybody else ever have a random guy at the parts counter save your bacon?
Guy swore it was a year old but it died on me last week in a 7-Eleven parking lot. Had to pay $40 for a jump and another $140 for a proper replacement. Anyone else get burned by those sketchy online battery deals?
Picked up a cheap digital caliper off Amazon last month because my old one finally bit the dust after 10 years. Cost me 40 bucks. Used it yesterday to measure a rotor thickness on a 2012 F-150 and found it was way under spec, even though it looked fine from the outside. Customer was about to just slap new pads on and send it. Caught it before it became a bigger problem and saved them a comeback. That little tool just earned its keep in one job. Anyone else have a tool that seemed silly to buy but ended up being a lifesaver?
The Monroes gave me a bouncy ride after 200 miles while the OE set still felt solid at 60,000 miles - has anyone else found the extra hundred bucks per corner worth it?
About three months back a guy in an F-150 watched me put an old crush washer back on and said 'you know those are one-time use, right?' I always thought it was fine but now I swap them every single time, has anyone else had a customer teach them something basic they should have known?
I was flushing fluid on a 2015 Civic and the guy's father asked why I wasn't bleeding the ABS module separately. Told me I was just swapping old dirty fluid for new dirty fluid from the lines. Tried it his way with a cheap scan tool and the pedal feel was way better. Has anyone else been skipping the module bleed on these newer cars?
I was at a small shop in Akron last Tuesday helping a friend out, and this older mechanic dropped a 4L60E from a Silverado on jack stands in under 40 minutes. No trans jack, no fancy lift, just a floor jack and some patience. Meanwhile I've got $3,000 worth of equipment at my shop and I still take an hour. It got me thinking we lean too hard on expensive tools and forget the basics. Any other techs here think we overcomplicate simple jobs with gear we don't actually need?
Customer brought it in for a rough idle, figured it was just a coil pack. Pulled the valve cover and saw the timing chain had about 2 inches of slack. Ended up having to pull the whole engine to replace the guides and tensioner, which ran them $1,800 total. Anyone else seeing these Ecotec motors grenade chains way too early?
I was at Pull-A-Part in Columbus last Saturday looking for a alternator for my '97 F-150. While I was walking through the rows I noticed something. The newer cars from the 2010s have engine bays so packed you can barely see the block. Plastic covers everywhere, hoses running in crazy directions. My buddy who works there said he spent two hours just getting to a starter on a 2015 Equinox. Compare that to the old stuff where you could practically stand inside the engine bay to work. Made me wonder if we're losing something with all this complexity. You guys finding the same thing with newer models? How do you deal with it?
I was at a salvage yard in Phoenix last month pulling parts off a 1998 F-150 and noticed the brake master cylinder had a little bleeder valve right on the front. Tried it on my own 2002 Ranger and it saved me from having to crawl under the truck to get the rears. Has anyone else spotted this on other models or is it just a Ford thing?
I was checking out a 2008 Ford F-150 with 180,000 miles at a dealer lot in Denver yesterday. It has a rhythmic clicking sound from the passenger side front wheel when I turned left. Could it be a bad CV axle or maybe something in the hub assembly? Anyone run into this on one of these trucks?
Everyone at the shop keeps telling me to swap it for something newer, but I just don't see the point. That 4.6 liter V8 still runs smooth as glass and I've only done basic maintenance since day one. Has anyone else kept a truck running way past what people call its life?
He said I was just going in a circle instead of following the factory pattern, and sure enough he caught a 15 ft-lb difference on the third pass. How do you other guys remember the exact sequence without looking it up every time?
Found out it was just a chafed wire under the passenger seat in a 2014 model. Has anyone else dealt with those damn seat wire harnesses?
I had three cars come in on the same day last week with seized caliper pins, all different makes. Has anyone else hit a weird pattern like that where the same part fails on everything in one shift?
After 12 years turning wrenches, I thought I had it down. Last spring a 2015 F-150 came back with a cracked pan, cost me $400 out of pocket. Why do so many old-timers still swear by the wrist method over a torque wrench?
Tried the 3/8 on a set of Ford truck wheels last week and it just doesn't have the guts, ended up having to break them by hand. When do you guys decide to just grab the bigger gun?
I used to swear by my digital calipers for everything, even valve lash on my old Chevy 350. But after a job in Austin last month where the battery died mid-check, I grabbed a set of feeler gauges I hadn't touched in years. I mean, the digital stuff is precise, but those gauges forced me to actually feel the drag and I caught a tight spot I would have missed. Am I the only one who thinks we rely too much on electronics for basic clearances?
I put the whole bottle in like the kit said, ran it for 20 minutes, and the only thing glowing under the light was my entire garage floor, not the engine. Guess the leak is way bigger than I thought, or that dye is junk. Has anyone had this happen and found a better way to spot a big leak fast?
Had a 2014 Civic last week with a slow drip from the heater core pipe connection. The book time says to pull the dash, which is a 6 hour job. Instead of going that route, I cut a small slot in a heavy duty zip tie and cinched it around the factory clamp. The leak stopped completely in under 10 minutes. The customer drove out happy and I saved a ton of time. Has anyone else found a simple fix that completely bypasses a huge, book-specified repair?
Last week in the shop, a guy brought his Civic in for a weird noise. I popped the hood and found a whole nest of acorns and leaves packed into the air filter box. The squirrel itself was long gone, but it left a chewed up vacuum line behind. The customer just stared and said, 'So that's where my missing garden hose nozzle went.' What's the weirdest thing you've found living in a car?