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Engine coolingPart report

1999 Dodge RAM Engine cooling Problems

Complaints
37about this part
Share
10%of 366 total for the year
Median mileage
45,096miles
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.

NHTSA recorded 37 complaints about the engine cooling of the 1999 Dodge RAM, 10% of the 366 complaints for this model year. Where a mileage was given, the median is 45,096 miles. 1 of these say a crash was involved, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“While driving and without warning the intake manifold cracked and caused fluid to leak. The dealer was notified. Ts the intake manifold failed, it caused severe missing. The coolant was mixed with oil. The dealer stated that if this wasn't caught early, it could have severely damaged the engine. Scc”

NHTSA complaint #8023680, filed 2002-12, 40,596 miles

“While driving the vehicle engine died out, lost oil pressure. Took the vehicle to the dealer and they refuse to work on the vehicle as a warranty, due to the build up of sludge in the engine. Dealer will only replace the engine if the consumer pays the amount of $5,000. Ph”

NHTSA complaint #10004316, filed 2003-08, 39,400 miles

“The vehicles engine bolt loosened and a screeching noise was produced. The dealer was notified. All 20 valve cover bolts had loosened. They loosened an additional two times after properly torqued. Loosened valve cover bolts caused oil to leak out of engine.”

NHTSA complaint #10019587, filed 2003-01, 33,000 miles

“Spark knock which they tell me is normal and there is nothing I can do about it ,but it is so loud I can hear it over the radio at moderate level,contact factory and they state this normal,now my truck is out of warranty”

NHTSA complaint #735385, filed 2000-10

“I have had my vehicle back to the dealer for service several times due to coolant loss and odor in cab. They said, on at least two of the occasions, that they do not see a problem. On one occasion they did replace the thermostat but the problem persisted. Now the check engine light came on and the service dept says its the intake manifold gasket . I asked if it was under warranty and was told no. I asked if the loss of coolant was due to this gasket failure they stated that the gasket had nothing to do with the cooling system.? …”

NHTSA complaint #766417, filed 2002-08

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201014%
200828%
200716%
200628%
20051538%
200459%
2003815%
20021412%
2001299%
20001510%
19993710%
1998388%
1997308%
1996579%
1995518%
1994286%
199347%
1992712%
199112%
1990313%
198914%
1988418%
198716%
1986211%
1985220%

Other parts of the 1999 Dodge RAM

Brakes
82 complaints
Transmission and drivetrain
53 complaints
Air bags
40 complaints
Steering
40 complaints
Suspension
36 complaints
Other or unknown
23 complaints
Tires
20 complaints
Electrical system
17 complaints
Body and structure
17 complaints
Seat belts
15 complaints
Fuel system
13 complaints
Visibility (wipers, defrost, mirrors)
12 complaints

← All problems reported for the 1999 Dodge RAM

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology