Grumpy Grunt Auto LLC

Grumpy Grunt Auto LLC We are a mobile mechanic company that is veteran owned and operated. We provide vehicle preventive m
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All Veterans and first responders get 10% off on labor with approved ID. Multiple Vehicles worked on same day same house hold are subject to a discount. Automotive Certified through HCC

Heavy Vehicle, Diesel Certified through HCC

609 Certified (MVAC)

ABS, Airbag, Transmission, ECU, etc. diagnosis

We do some electrical work

Travel up to 30 miles, $0.95 cents each additional mile

Competitive p

ricing on parts
Company policy, Parts need to be paid in full when ordered
Customer can provide own parts

We do offer aftermarket installs with customer providing parts

We do offer some Diesel maintenance

Fleet service provided

We do Car Clinics to help new drivers and experience drivers gain knowledge on vehicle preventive maintenance and DIY pointers

Carefully with the deer! Radiator and condenser busted! After replacing and a recharge she was running good as new. Can'...
06/24/2024

Carefully with the deer! Radiator and condenser busted! After replacing and a recharge she was running good as new. Can't be without ac in this heat!
Call us for all your ac needs! 832-679-6838

After doing a smoke test, we realized where the leak was coming from. Tore intake hose! Call to schedule 832-679-6838
06/24/2024

After doing a smoke test, we realized where the leak was coming from. Tore intake hose!
Call to schedule 832-679-6838

Start them young, not even 16 yet he knows how to all vehicles maintenence. He has learned how to swap cv axles, turbos,...
06/16/2024

Start them young, not even 16 yet he knows how to all vehicles maintenence. He has learned how to swap cv axles, turbos, catalytic converters, and much more. He has grown so much and proud of him of all he has learned the last 2 years.

06/01/2024
05/25/2024

We will be closed Monday for Memorial Day!
Back at it, Tuesday!

Cylinder 2 not holding compression, recommend a rebuild or replacement. Hate to see diagnosis ending this way.
05/16/2024

Cylinder 2 not holding compression, recommend a rebuild or replacement. Hate to see diagnosis ending this way.

Can anyone spot the issue here?
05/07/2024

Can anyone spot the issue here?

Will be posting our summer promotion soon. Stay tuned.
05/05/2024

Will be posting our summer promotion soon. Stay tuned.

Hyundai has severe oil leak top and bottom. Recommended valve cover gaskets and oil pan gasket be replace. Does need mor...
04/11/2024

Hyundai has severe oil leak top and bottom. Recommended valve cover gaskets and oil pan gasket be replace. Does need more diagnostic to ensure nothing internal is leaking

04/10/2024
A well deserved repair. Oil got in and caused a failure.
04/09/2024

A well deserved repair. Oil got in and caused a failure.

Belt and belt tensioner, damn ecotech engines are complicated for no reason
04/04/2024

Belt and belt tensioner, damn ecotech engines are complicated for no reason

When you bust out 4 cars today
03/29/2024

When you bust out 4 cars today

Our youngest part time employee. 15 going on 16 and already knows how to do routine maintenance and is learning how to s...
03/27/2024

Our youngest part time employee. 15 going on 16 and already knows how to do routine maintenance and is learning how to swap a oil pan on a bmw in this picture. Teach them young

Evening, I know it's late but we do apologize for not posting. We been pretty busy for the beginning of the year which m...
02/22/2024

Evening, I know it's late but we do apologize for not posting. We been pretty busy for the beginning of the year which means a busy summer. Be on the look out for promotions and discounts. Here are a few pictures of the shenanigans we found these past 2 months

Good morning!Due to the weather, we will be closed today and continue our normal hours tomorrow weather permitting.We ap...
01/16/2024

Good morning!
Due to the weather, we will be closed today and continue our normal hours tomorrow weather permitting.
We apologize for any inconvenience, stay safe and warm out there

Merry Christmas from Grumpy Grunt Auto LLC.
12/19/2023

Merry Christmas from Grumpy Grunt Auto LLC.

PSA: we are currently disabling jobber payments due to system issues. We still take zelle and cashapp. Any fees will be ...
12/02/2023

PSA: we are currently disabling jobber payments due to system issues. We still take zelle and cashapp. Any fees will be waived. We do plan to add venmo and card readers for in person payments. We do apologize for any inconvenience, any questions please feel free to msg or call us at 832-679-6838 email [email protected]

Valve cover gasket was leaking for obvious reasons. Quick clean up and replacement and no more leaks
11/29/2023

Valve cover gasket was leaking for obvious reasons. Quick clean up and replacement and no more leaks

Full ac replacement. Compressor blew a seal and debris traveled everywhere. Because the client got a kit all parts are L...
11/20/2023

Full ac replacement. Compressor blew a seal and debris traveled everywhere. Because the client got a kit all parts are Lifetime warranty. Don't wait, contact us now for all your automotive needs

Rear mount rubber busted. Heavy vibration, quick swap and she is smooth sailing now. Contact us for all your automotive ...
11/12/2023

Rear mount rubber busted. Heavy vibration, quick swap and she is smooth sailing now. Contact us for all your automotive needs.

Flex pipe had a hole and catalytic converter has seen better days.
11/08/2023

Flex pipe had a hole and catalytic converter has seen better days.

This time of year gets hard for alot of people but some have it worse. This year Grumpy Grunt Auto LLC will be adopting ...
10/18/2023

This time of year gets hard for alot of people but some have it worse. This year Grumpy Grunt Auto LLC will be adopting 2 families for Thanksgiving. If you know a family that is struggling please send us a message or email us at [email protected] with there info and their story. We will reach out to the families we have adopted. We will not be posting who we adopted for privacy reasons. Happy holidays

This is a first for us, the solenoid busted and was leaking out. Over 12 years in the field still learning till this day...
10/06/2023

This is a first for us, the solenoid busted and was leaking out. Over 12 years in the field still learning till this day. Now we have a new spot to check for leaks on ac diagnostics

Valve cover gasket and tube seals are blown. Recommended a tune up and valve cover gasket replacement. Don't wait till i...
10/02/2023

Valve cover gasket and tube seals are blown. Recommended a tune up and valve cover gasket replacement. Don't wait till it's gets bad, call us today to schedule your diagnosis.

09/17/2023

Good Morning everyone, Sunday is for family and god. We will post any announcments on sundays to keep evereone in the loop. We do apologize for not posted recently.

Announcements to be made:
1. We will be expanding to another city soon!
(same service will be available in Houston area)
2. We will post a flyer for Thanksgiving starting Oct1st
We will be adopting 2 familys and more details to come.

Address

Humble, TX
77338

Opening Hours

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

Telephone

+18326796838

Website

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