Beyer Motorsports LLC

Beyer Motorsports LLC We are an Auto, Truck, RV and Semi repair shop. We do normal maintenance and repair for Cars, Trucks, RV's and Semi's. We are also a Fass fuel dealer.

If you're looking for the best auto and truck repair shop in Cedar Falls, IA, then contact Beyer Motorsports & Auto Repair! Since 2005, we've been providing our community with car repair, truck repair, RV repair, semi repair, fleet repair, and performance upgrades for gas and diesel vehicles. Our mechanic team has Ford certified, GM certified, and semi-truck specialists with over 150 years of comb

ined experience. We can help with oil changes, brake repair, suspension repair, exhaust repair, AC repair, engine repair, diesel repair, transmission repair, and more! For all your car repair and maintenance needs, call the family-owned auto repair shop that cares!

We have a 2013 F250 turbo on the right. 15 turbo replacement upgrade turbo on the left. Huge difference! Tuning is requi...
08/21/2026

We have a 2013 F250 turbo on the right. 15 turbo replacement upgrade turbo on the left. Huge difference! Tuning is required.

Looks like engine month this month. We have a 7.3L Godzilla with lifter tick 130k on it. V10 with a bad valve, my pain i...
08/21/2026

Looks like engine month this month. We have a 7.3L Godzilla with lifter tick 130k on it. V10 with a bad valve, my pain in the but 6.2L GM diesel is finally going to its home and a 6.7 Cummins with a hole in cyl6 piston.

This customer said he had zero oil pressure after starting his 6.4L Power Stroke. We did installA manual oil pressure ga...
08/08/2026

This customer said he had zero oil pressure after starting his 6.4L Power Stroke. We did install
A manual oil pressure gauge and started the engine long enough to see the gauge had zero pressure. Also noticed a nasty noise that seemed to be coming from the turbo. The pictures show the front cover and the damage from something pulled out of the oil pan. After pulling the cab we dropped the engine oil pan and found some metal in it. We also investigated the turbo noise. We that the turbo failed and the debris from that failure made it to the pan and the pickup tube sucked that metal out and ran it through oil pump. As u can see the damage on the cover is the reason it has no oil pressure. This is the third diesel that we have seen that this has happened to. I would say if u have a turbo failure don’t be shy and check the pan or more damage will happen.

Man im happier than a tornado in a trailer park! (Couldn’t help my Cars movie Reference) This truck has been a thorn in ...
07/28/2026

Man im happier than a tornado in a trailer park! (Couldn’t help my Cars movie Reference) This truck has been a thorn in my side for two years. It came in with multiple issues and wouldn’t start. Previously, the customer had been driving home one night and it started to run poorly. After he had parked it  he tried to restart it, and it wouldn’t start up. The customer thought maybe it was the injection pump so he found one online and installed it himself. Still wouldn’t start so he towed it to us. After we had bled the injectors we tried to start it and even with a battery charger on it to help keep the battery up it just wouldn’t fire. Smoked but won’t run. We installed the semi jump pack on it and boy we had the cranking amps then. Started up smoked Terrible and didn’t run well at all. On the test drive even at half throttle it sounded like it was way over fueled and low on power. We figured base engine problem. We performed a compression test and it was bad. The highest cyl was 300psi and the second highest was 200 and the lowest was 145. This engine needs a minimum of 300 psi and wants I believe 480psi of compression. We found our issue. After removing the engine and disassembly, we found multiple cyls that must of had water in them. All the cyls had pitting from rust. We found out this truck had recently been purchased, and it had been sitting outside for a long period of time this truck also has exhaust stacks. My guess is the rain got into the exhaust, filled up the pipes and spilled into the engine through the exhaust manifolds and open exhaust valves.  We sent the engine off to a machine shop for repair. We did not see that engine back for eight months 😭. After a lot of machine work to both the block, the crank and the heads I finally got it back together. As u can see I opted to run this engine on a run stand. If you have the option to do this, it helps to find any problems after the rebuild and is way easier to deal with out of the vehicle. Usually, I find oil leaks at oil galley, plugs that the machine shop is supposed to take care of. Thank the lord I did it this way because I found two plugs on the back of the engine that are leaking.🤬 I would’ve had to either pull the transmission or pull the engine back out after just putting it in the vehicle. This a long story sorry. Anyway after mocking this engine up on the run stand I got it all ready to start but it wouldn’t run. I got lots of smoke but it won’t run. I made up
a couple glow plug harnesses and added that to the mix. Finally started, smokes like a house on fire, won’t idle, lopes like it’s got a big cam in it. Got it up to 150 degrees coolant temp and it would idle but terrible, big lope up and down.  I played with the injection pump timing. It didn’t matter where I put it. It starts the same. It runs the same and if you rev it up it sounds like it’s dumping a enormous amount of fuel all the time which is probably why it’s smoking. After I shut it off I came back 20 minutes later and I had puddles underneath the engine. Found out that it’s dumping so much fuel It’s literally running out of the exhaust manifold.  I thought maybe I had base timing messed up or injection pump gear timing messed up. I took the front of the motor apart a couple of different times double checking triple checking I couldn’t find anything wrong with it. I did a compression test I had 400 pounds of compression even though the motor is not really broken in yet that was pretty good. I know we worked on a diesel welder recently. It had a bad injection pump and the customer that owned that welder talked about BK Diesel out of Dubuque.  if you didn’t know BK Diesel out of Dubuque is one of the only Diesel shops in our area that can physically do testing on injection pumps or injectors. For troubleshooting issues, I reached out to them. They gave me some ideas, we made attempts. It made no change. I got fed up and finally removed the injection pump and the injectors, boxed everything up and sent it to them. Mind you this injection pump doesn’t have 50 miles on it. It’s supposedly a reman injection pump. After a couple of weeks at BK Diesel, I did get a call from Steve and he let me know that this pump was in really bad shape. I’m not gonna go into the details as to what was wrong with the pump, but they basically overhaul the pump then retested everything and sent it back. As of todayI finally got it all back together. It started and ran perfectly. 😁. This post is to let folks know that just because it’s supposedly a new part doesn’t mean it’s good. Doesn’t mean it to works perfectly and doesn’t mean it can’t cause issues. Cool heads prevail and it’s not always the mechanics fault. This job did make question why I’m in this business. I guess patience is a virtue for all. Stay cool everyone!

Spots are filling in and we’ve got some nice cars. Come and join in on the fun!
07/05/2026

Spots are filling in and we’ve got some nice cars. Come and join in on the fun!

Spring bushings this morning!
03/02/2026

Spring bushings this morning!

Ooh boy ISx Down. Possibly in frame and seal up everything on the outside.
01/21/2026

Ooh boy ISx Down. Possibly in frame and seal up everything on the outside.

Another GM down with DOD issues.
01/13/2026

Another GM down with DOD issues.

12/29/2025

We will be closed this week so our employees can spend this time with their families. We hope you had a wonderful Christmas and have a fun, safe New Year. We look forward to seeing you next year!

Address

3800 S Hudson Road
Cedar Falls, IA
50613

Opening Hours

Monday 8am - 5:30pm
Tuesday 8am - 5:30pm
Wednesday 8am - 5:30pm
Thursday 8am - 5:30pm
Friday 8am - 5:30pm

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