2003 GMC Sierra HD GMC Sierra HD 2003

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2003 GMC Sierra HD repairs by problem area

Engine (31%)

Transmission and Drivetrain (21%)

Brakes and Traction Control (14%)

Suspension and Steering (21%)

Electrical and Air Conditioning (14%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (0%)

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Chart based on 29 repairs.
See TSBs and recalls for the 2003 GMC Sierra HD.

2003 GMC Sierra HD repair cost distribution

$2500+ (10%)

$1000 - $2499 (25%)

$500 - $999 (10%)

$100 - $499 (40%)

< $100 (15%)

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Chart based on 20 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 GMC Sierra HD

Engine not specified

GMC in Maine, United States
Feb 2012 - Dec 2014
Oct 2012

77000 mi

US $28
Truck would not go into park 
GMC in Colorado, United States
Feb 2012 - Dec 2016
Aug 2012

152500 mi

US $1400
Water pump failure. Replaced part. Front wheel bearings replaced 
Oct 2012

154200 mi

US $700
Overheating during towing, strange smells. Pan gasket replaced and cooling lines repaired. 
Mar 2013

158000 mi

US $2000
Wheel bearing and pittman arm replaced 
Jul 2015

180200 mi

US $250
Carrier bearing failure 
Jun 2016

184000 mi

US $500
Gauge cluster died, no spedometer 
GMC in New York, United States
Apr 2012 - May 2013
May 2013

92000 mi

US $1400
All brake lines were rusted out and leaking. Both rear discs had rusted and delaminated. Trans lines were rusted and leaking. Axle seal had ruptured and wiped out left side caliper. Fuel lines were rusted and leaking. 

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2003 GMC Sierra HD 4-door

turbocharged 8-cylinder diesel automatic 4WD

GMC in Nevada, United States
Aug 2012 - Jul 2022
Oct 2012

112000 mi

US $100
Tow/haul button on shifter failed DIY repair 
Dec 2012

117000 mi

US $300
Water pump, which has one fastener behind harmonic balancer and 275# bolt. $1200 pro estimate. 
Jan 2014

128300 mi

US $175
Hydro boost system Power steering pump failed 
Oct 2014

128200 mi

US $75
The power steering pump I replaced earlier (without reservoir) began leaking badly from the reservoir seal and had to be replaced again. In fairness to GMC, this was a part supplier issue and I used a "with attached reservoir" this time. 
Dec 2015

140000 mi

US $120
Cracked fuel filter head 
Nov 2016

146700 mi

US $150
Worn out Pitman and Idler arms. Discovered during attempted alignment. DIY repair. 
Jun 2018

166000 mi

US $2000
Injectors had been hazing at idle for months and finally became too bad to endure. R&R all 8. 
GMC in Michigan, United States
Feb 2012 - Sep 2018
Nov 2012

97900 mi

US $1300
Symptom of long cranking time while starting. (DURAMAX Diesel) Diagnosed as needing all new fuel injectors. Initial bill was $5800. Negotiated to get GM to cover parts given bulletin on FI failure. Fan speed controller failed. Required new fan speed resistor. 
Jun 2015

118000 mi

US $2500
Fuel lines near tank were corroded and failed. Upgraded to aftermarket lift pump and filtration system and replaced all fuel lines. High pressure hose failed and was replaced. Parking brake was not functioning. Parts replaced. LF ABS sensor failed. 
Aug 2015

121800 mi

US $95
Inner tie rod ends went bad. Had been replaced at 40,000 miles with Moog lifetime parts. Parts were covered, just had to pay for labor. 
May 2016

129000 mi

US $400
Replaced four wheel drive control unit Replaced failing right front wheel bearing 
Apr 2017

140000 mi

US $300
Passenger window regulator failed and was replaced. 
Sep 2018

149000 mi

US $4000
Fuel injectors were failing and needed to be replaced. 

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2003 GMC Sierra HD Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 GMC Sierra HD problems occur, check out our car reliability stats.