Vauxhall Astra 17 CDTI Engine ReplacementCompare Prices & Get Quotes
Get quotes today for your Vauxhall Astra 17 CDTI engine replacement from trusted UK specialists. Compare prices on reconditioned, rebuilt and used Vauxhall Astra 17 CDTI diesel engines with warranty-backed supply and fit options.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £1,800 to £3,000 [ESTIMATED - using nearest-family proxy]
Used from £800 · Reconditioned from £1,500 · Common codes: A17DT, A17DTE, A17DTF
From £800
Tested, bare/short engine
From £1,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Vauxhall Astra 17 CDTI specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Vauxhall Astra 17 CDTI Replacement Engineto Finding the Best Vauxhall Astra 17 CDTI Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryVauxhall Astra 17 CDTI - Engine History & Specs at a Glance
The Vauxhall Astra 17 CDTI badge was introduced in the Mk5 (Astra H) generation as a 1.7-litre diesel alternative to the larger 1.9 CDTI, offering a balance of economy and torque. It continued through the Mk6 (Astra J) with updated emissions hardware before being phased out as Euro 6 requirements pushed the range toward the 1.6 CDTI.
Variant HistoryVauxhall Astra 17 CDTI - Engine History & Specs at a Glance
The Vauxhall Astra 17 CDTI badge was introduced in the Mk5 (Astra H) generation as a 1.7-litre diesel alternative to the larger 1.9 CDTI, offering a balance of economy and torque. It continued through the Mk6 (Astra J) with updated emissions hardware before being phased out as Euro 6 requirements pushed the range toward the 1.6 CDTI.
Vauxhall Astra 17 CDTI
Fuel TypeDiesel
Engine Size Range1.7L (1686cc)
Power Output Range100-130hp across the variant's historyEngine History Timeline
A17DT 1.7 CDTI, 100hp - Mk5 Astra H launch, common-rail diesel with DPF on later examples
A17DTE 1.7 CDTI, 110hp - Mk5 facelift, Euro 4 emissions, improved EGR and injector design
A17DTE 1.7 CDTI, 110hp - Mk6 Astra J launch, retains same engine code with revised emissions calibration
A17DTF 1.7 CDTI, 130hp - Mk6 facelift, higher-output variant for Sport and SRi trims
17 CDTI badge discontinued - replaced by 1.6 CDTI (B16DTR) across the Mk7 Astra K range
Key Specs Snapshot
Fuel TypeDieselEngine Size Range1.7L (1686cc)Power Output Range100-130hp across the variant's historyYears Produced2004-2015Every engine fitted to the Vauxhall Astra 17 CDTI is covered below, with UK rebuilt pricing and known failure points.
Vauxhall Astra 17 CDTI Engine Codes - Specifications & Replacement CostVauxhall Astra 17 CDTI Engine Codes - Specifications & Replacement Cost
1.7 CDTI (2004-2008)
Power Output100hpYears Fitted2004-2008
Compatible Trim Levels
- Astra 1.7 CDTI
- Astra 1.7 CDTI Club
- Astra 1.7 CDTI Design
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£600-£1,200 [ESTIMATED]
Reconditioned
Addressed known issues, tested
£1,200-£2,000 [ESTIMATED]
Rebuilt
Full teardown, upgraded internals
£1,800-£2,800 [ESTIMATED]
Common Failure
EGR valve clogging and injector seal deterioration are the most frequently reported issues on early A17DT units, typically appearing from 80,000 miles onward. [THIRD-PARTY - Honest John, Vauxhall owner forums]
The Vauxhall Astra 17 CDTI's 1.7 CDTI (A17DT/A17DTE/A17DTF) is a popular diesel unit known for strong torque and reasonable economy, but timing chain tensioner fatigue and emissions system clogging create a significant repair-versus-replace decision point. Rebuilt A17DTE engines supplied through EnginesMarket typically include upgraded timing components addressing the original failure point, plus a minimum 12-month unlimited-mileage warranty.
Why the Vauxhall Astra 17 CDTI A17DTE Wears Prematurely
Affected Vehicles
Vauxhall Astra 17 CDTI (A17DTE, 2008-2015; A17DTF, 2013-2015)
Typical Failure Mileage
60,000-100,000 miles
Root Cause
The timing chain tensioner is prone to hydraulic pressure loss, allowing chain slack. This leads to guide wear, chain stretch, and eventual timing drift. Cold-start rattle is the primary audible warning.
Why It Happens
The timing chain tensioner is prone to hydraulic pressure loss, allowing chain slack. This leads to guide wear, chain stretch, and eventual timing drift. Cold-start rattle is the primary audible warning.
Dealer (parts + labour)
£1,200-£1,800
Specialist (parts + labour)
£700-£1,200
What it involves
New chain, tensioner, guides, and sprockets. Labour-intensive (10-12 hours) due to engine access.
Suitability
Viable for vehicles under 100k miles with no chain skip; extends engine life 60k+ miles if done early.
1 - 2 daysDealer (parts + labour)
£2,800-£4,500
Specialist (parts + labour)
£1,800-£3,000
What it involves
Supply & fit, upgraded timing components addressing original failure point, 12-month warranty
Suitability
Recommended if chain has jumped, if damage to guides or sprockets is extensive, or if vehicle has high mileage and other wear is present.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Timing chain replacement Minor | £1,200-£1,800 | £700-£1,200 | New chain, tensioner, guides, and sprockets. Labour-intensive (10-12 hours) due to engine access. | Viable for vehicles under 100k miles with no chain skip; extends engine life 60k+ miles if done early. | 1 - 2 days |
 Full replacement - rebuilt/reconditioned engine Best Value | £2,800-£4,500 | £1,800-£3,000 | Supply & fit, upgraded timing components addressing original failure point, 12-month warranty | Recommended if chain has jumped, if damage to guides or sprockets is extensive, or if vehicle has high mileage and other wear is present. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical Vauxhall Astra 17 CDTI of relevant age (2009-2015) sits in the £2,500-£8,000 value band, depending on generation, mileage, and condition [THIRD-PARTY - Auto Trader, Parkers]. For examples under £3,500, a timing chain replacement at specialist rates (£700-£1,200) is viable, but a full rebuilt engine (£1,800-£3,000) may represent 50-80% of vehicle value - evaluate the car's overall condition carefully before committing. Higher-value facelift SRi/Elite examples above £5,000 justify the replacement investment.
Our Recommendation
Our Recommendation
If you hear cold-start rattle on your Astra 17 CDTI and catch it early, a timing chain replacement is the cost-effective solution. If the chain has already jumped, or if the car is high-mileage with other issues (DPF, EGR, injector wear), a rebuilt engine with upgraded components and full warranty is the safer long-term decision.
Don't Let Engine Failure Write Off Your Vauxhall Astra 17 CDTI
Every rebuilt Vauxhall Astra 17 CDTI engine supplied through EnginesMarket includes a minimum 12-month unlimited-mileage warranty and uses upgraded components addressing the original timing chain and emissions system failure points. Compare specialist pricing across the UK's largest network of Vauxhall diesel engine rebuilders - dealer prices average 30-50% higher, and you won't get the same warranty coverage.
Compare rebuilt A17DTE Vauxhall Astra 17 CDTI engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Vauxhall Astra 17 CDTI. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Vauxhall Astra 17 CDTI Engine ReplacementFrequently Asked Questions
Question 1How much does a Vauxhall Astra 17 CDTI engine replacement cost-
A Vauxhall Astra 17 CDTI engine replacement typically costs £1,800-£3,000 supply-only for a rebuilt A17DTE unit, with used engines from £800 and reconditioned from £1,500. Total fitted cost adds 8-12 hours of labour at specialist rates (£65-£85/hr) or dealer rates (£120-£180/hr).
- Rebuilt supply-only: £1,800-£3,000 [ESTIMATED]
- Supply & fit specialist total: £2,300-£4,000
- Main dealer supply & fit: £3,000-£5,500
Question 2What are the signs of timing chain failure in a Vauxhall Astra 17 CDTI-
The most common sign of timing chain stretch in the Vauxhall Astra 17 CDTI is a metallic rattle on cold start, lasting 1-3 seconds. As wear progresses, you may hear a continuous rattle, experience poor acceleration, or see the engine management light illuminate with camshaft correlation fault codes.
- Cold-start rattle is the earliest warning - don't ignore it
- If the chain jumps, the engine will not start or may run very roughly
- Catastrophic failure can bend valves, requiring a full engine replacement
Question 3Is it worth replacing the engine in a Vauxhall Astra 17 CDTI-
This depends on your Astra 17 CDTI's overall condition and market value. For a well-maintained Mk6 facelift SRi or Elite (worth £4,000-£8,000), a rebuilt engine at £1,800-£3,000 is viable, especially with the 12-month warranty. For an older Mk5 example worth under £3,000, a used engine (£800-£1,500) or timing chain repair (£700-£1,200) may be more cost-effective.
- Vehicle worth under £3,500: consider used engine or repair
- Vehicle worth £4,000+: rebuilt engine with warranty is sensible
- Factor in overall condition - bodywork, suspension, interior wear
Question 4How long does a Vauxhall Astra 17 CDTI engine replacement take-
A Vauxhall Astra 17 CDTI engine replacement typically takes 2-3 working days for a specialist workshop, including removal of the old unit, fitting the replacement, and road testing. Main dealers may quote 3-5 days due to scheduling and OEM parts ordering.
- Supply-only delivery: next-day available across the UK
- Supply & fit: book a slot with your nearest specialist
- Express fitting available in some regions
Question 5What's the difference between the Vauxhall Astra 17 CDTI and 1.6 CDTI engines-
The Astra 17 CDTI (A17DTE, 1.7-litre, 110hp) was fitted to Mk5 and Mk6 Astra models from 2004-2015 and is known for strong low-end torque and decent economy but has timing chain and EGR vulnerabilities. The later 1.6 CDTI (B16DTR, 2015-2021) is a Euro 6-compliant engine with better emissions performance and AdBlue on some variants, but it has its own known issues including wet belt degradation and EGR cooler failures.
- 17 CDTI: simpler emissions hardware but older design
- 1.6 CDTI: cleaner but more complex; wet belt service critical
- Both are popular diesel options; choose based on your Astra's generation
Question 6Should I buy a used or rebuilt engine for my Vauxhall Astra 17 CDTI-
Used engines are cost-effective (£800-£1,500) but come with unknown service history and no warranty beyond the supplier's standard 30-90 days - risk of the same timing chain failure reoccurring. Rebuilt engines (£1,800-£3,000) include new timing chain components, piston rings, bearings, and a 12-month unlimited-mileage warranty, offering peace of mind.
- Used: best for low-budget repairs on lower-value vehicles
- Rebuilt: best for long-term ownership (2+ years) and higher-value Astras
- Always confirm what components were replaced in a rebuilt unit
Why Choose UsCompare Vauxhall Astra 17 CDTIEngine PricesToday
350+ Vauxhall Astra 17 CDTI engines supplied through our network
12-Month Warranty on every rebuilt Astra 17 CDTI engine
Nationwide UK delivery
supply & fit available
Compare free, no-obligation quotes from the UK's leading Vauxhall Astra 17 CDTI engine specialists. Whether you need a used A17DT, a reconditioned A17DTE, or a fully rebuilt A17DTF with upgraded timing components, EnginesMarket connects you with vetted suppliers who stock exactly what you need. Enter your registration, choose your condition, and book supply & fit - all in one place.
Enter your registration
and get matched with verified Vauxhall Astra 17 CDTI specialists.