2014 BUICK ENCLAVE

Typical onset: 80,000-120,000 mi

Symptoms: Rough cold starts with loud rattling from front of engine for 2-3 seconds, Check engine light with P0008, P0011, P0014 (cam/crank correlation codes), Loss of power, misfires, or sudden no-start after warning signs ignored, Metal shavings in oil, catastrophic internal damage if chain jumps time

Fix: Timing chain replacement requires front engine teardown—chains, guides, tensioners, cam phasers, and often both VVT solenoids. If caught early: 12-16 hours labor. If chain jumped and valves kissed pistons: 35-45 hours for engine rebuild or replacement. This is the death sentence for most high-mileage Enclaves.

Estimated cost: $2,800-5,500 for chains; $6,500-9,500 for rebuild

Typical onset: 60,000-110,000 mi

Symptoms: Transmission fluid puddle under vehicle, usually passenger side near radiator, Low fluid causes delayed shifts, slipping, or harsh engagement, Rapid fluid loss can destroy transmission if driven unnoticed

Fix: The cooler lines at the radiator corrode and split. Replace both lines as a set—they run along subframe. If transmission ran low, expect internal damage. Line replacement alone: 2-3 hours. If trans is damaged from low fluid, add rebuild cost.

Estimated cost: $400-750 for lines; $2,800-4,200 if trans damaged

Typical onset: 70,000-130,000 mi

Symptoms: Won't start in Park, starts in Neutral instead, Gear indicator on dash shows wrong gear, Transmission goes into limp mode or won't shift out of Park, Check engine light with P0708, P0700 codes

Fix: Replace transmission range sensor on side of trans case—2 hours labor. Sometimes the shift cable bushing at transmission also wears out, requiring cable adjustment or replacement (add 1 hour).

Estimated cost: $350-650

Typical onset: 75,000-120,000 mi

Symptoms: Power steering whine or groan, especially when cold, Low fluid reservoir, need frequent top-ups, Fluid drips near front passenger wheel well, Heavy steering effort if fluid runs critically low

Fix: High-pressure power steering cooler lines rust through where they run along subframe. Replace both pressure and return lines—3-4 hours labor. Also flush system and check pump if driven low on fluid.

Estimated cost: $450-850

Typical onset: 60,000-100,000 mi

Symptoms: A/C blows warm air, compressor cycles off, Slow refrigerant loss over months, Green dye visible at condenser fins (front of radiator)

Fix: Condenser mounted in front of radiator corrodes from road salt. Requires bumper removal, condenser replacement, evacuation, and recharge—4-5 hours. Common in rust-belt states.

Estimated cost: $700-1,200

Typical onset: 80,000-130,000 mi

Symptoms: Coolant seeping from weep hole on water pump, Sweet coolant smell after driving, Overheating if leak worsens and coolant level drops critically

Fix: Water pump is buried behind timing cover. If doing timing chains, replace pump simultaneously—it's already exposed. Otherwise: 6-8 hours to access. Do NOT skip this when doing chains.

Estimated cost: $650-1,100 standalone; $300-500 added to chain job

Typical onset: 70,000-120,000 mi

Symptoms: Clunk or thud when shifting from Park to Drive/Reverse, Vibration at idle that smooths out when shifted to Neutral, Excessive engine rock visible under hard acceleration

Fix: Front torque mount (hydraulic) tears internally. Requires removing intake snorkel and working around A/C lines. 2-3 hours labor. Often need to do multiple mounts while in there.

Estimated cost: $400-750 for front; $700-1,100 for all three